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Found 5 results

  1. What is OSDSoft?The Malwarebytes research team has determined that OSDSoft is a crypto currency miner. These miners are designed to earn cryptocurrency by using system resources.This particular one is a so-called XMRig (Monero) miner.How do I know if my computer is affected by OSDSoft?You may see a file called explorer.exe with this icon:How did OSDSoft get on my computer?Miners use different methods for distributing themselves. This particular one was installed by a bundler.How do I remove OSDSoft?Our program Malwarebytes can detect and remove this miner. Please download Malwarebytes to your desktop. Double-click mb3-setup-consumer-{version}.exe and follow the prompts to install the program. Then click Finish. Once the program has fully updated, select Scan Now on the Dashboard. Or select the Threat Scan from the Scan menu. If another update of the definitions is available, it will be implemented before the rest of the scanning procedure. When the scan is complete, make sure that all Threats are selected, and click Remove Selected. Restart your computer when prompted to do so. Is there anything else I need to do to get rid of OSDSoft? After the reboot you can remove the OSDSoft entry from your list of installed Programs and Features if it belonged to the Trojan. How would the full version of Malwarebytes help protect me?We hope our application and this guide have helped you eradicate this trojan.As you can see below the full version of Malwarebytes would have protected you against the OSDSoft trojan. It would have warned you before the trojan could install itself, giving you a chance to stop it before it became too late. and we block the domain that hosts the coin-miner(s): Technical details for expertsPossible signs in FRST logs: (www.xmrig.com) C:\Users\{username}\Desktop\explorer.exe C:\Users\{username}\AppData\Local\Temp\explorer.exe Malwarebytes log: Malwarebytes www.malwarebytes.com -Log Details- Scan Date: 10/24/18 Scan Time: 9:10 AM Log File: eec5bf1f-d75b-11e8-a940-00ffdcc6fdfc.json -Software Information- Version: 3.6.1.2711 Components Version: 1.0.463 Update Package Version: 1.0.7497 License: Premium -System Information- OS: Windows 7 Service Pack 1 CPU: x64 File System: NTFS User: {computername}\{username} -Scan Summary- Scan Type: Threat Scan Scan Initiated By: Manual Result: Completed Objects Scanned: 238151 Threats Detected: 2 Threats Quarantined: 2 Time Elapsed: 2 min, 37 sec -Scan Options- Memory: Enabled Startup: Enabled Filesystem: Enabled Archives: Enabled Rootkits: Enabled Heuristics: Enabled PUP: Detect PUM: Detect -Scan Details- Process: 0 (No malicious items detected) Module: 0 (No malicious items detected) Registry Key: 0 (No malicious items detected) Registry Value: 0 (No malicious items detected) Registry Data: 0 (No malicious items detected) Data Stream: 0 (No malicious items detected) Folder: 0 (No malicious items detected) File: 2 RiskWare.HeuristicsReservedWordExploit, C:\USERS\{username}\APPDATA\LOCAL\TEMP\EXPLORER.EXE, Quarantined, [5758], [293543],1.0.7497 Trojan.BitCoinMiner, C:\USERS\{username}\DESKTOP\EXPLORER.EXE, Quarantined, [553], [583341],1.0.7497 Physical Sector: 0 (No malicious items detected) WMI: 0 (No malicious items detected) (end) As mentioned before the full version of Malwarebytes could have protected your computer against this threat.We use different ways of protecting your computer(s): Dynamically Blocks Malware Sites & Servers Malware Execution Prevention Save yourself the hassle and get protected.
  2. Got an alert after 2 servers rebooted after installing April Microsoft Updates, Trojan.BitCoinMiner, C:\Windows\System32\autochk.exe This looks like a false positive... ? Anyone else getting this? Is it safe to restore it?
  3. A lot of end points in our network is reporting that Trojan.BitCoinMiner is detected from C:\WINDOWS\SYSTEM32\AUTOCHK.EXE and is being repeatedly marked as quarantined. I have a ticket opened # 00057413 for this and was told to post the details here Is this a malware or just false positive? autochk.zip
  4. What is DecUsername? The Malwarebytes research team has determined that DecUsername is a crypto currency miner. These miners are designed to earn cryptocurrency by using system resources. How do I know if my computer is affected by DecUsername? You may see this Scheduled Task with the name Dec + %Username% : and some users experienced a prompt related to krk.tmp asking "how do you want to open this file?" [Update 11/6/2017] We now also see the filenames klk.tmp and revopartner.tmp besides krk.tmp How did DecUsername get on my computer? Miners use different methods for distributing themselves. This particular one was installed by a trojan. How do I remove DecUsername? Our program Malwarebytes can detect and remove this miner. Please download Malwarebytes to your desktop. Double-click mb3-setup-consumer-{version}.exe and follow the prompts to install the program. Then click Finish. Once the program has fully updated, select Scan Now on the Dashboard. Or select the Threat Scan from the Scan menu. If another update of the definitions is available, it will be implemented before the rest of the scanning procedure. When the scan is complete, make sure that all Threats are selected, and click Remove Selected. Restart your computer when prompted to do so. Is there anything else I need to do to get rid of DecUsername? After the reboot you can remove the DecUsername entry from your list of installed Programs and Features if it belonged to the Trojan. How would the full version of Malwarebytes help protect me? We hope our application and this guide have helped you eradicate this trojan. As you can see below the full version of Malwarebytes would have protected you against the DecUsername trojan. It would have warned you before the trojan could install itself, giving you a chance to stop it before it became too late. Technical details for experts Possible signs in FRST logs: () C:\Users\{username}\AppData\Local\Temp\krk.tmp HKCU\...\Run: [Win64svc] => krk.tmp [389632 2017-10-24] () C:\Windows\System32\Tasks\Dec{username} C:\Users\{username}\AppData\Local\Temp\sourse.exe Task: {347EA87B-0F3A-466E-B3F3-9B27062D1720} - System32\Tasks\Dec{username} => C:\Users\{username}\AppData\Local\Temp\krk.tmp [2017-10-24] () <==== ATTENTION Malwarebytes log: Malwarebytes www.malwarebytes.com -Log Details- Scan Date: 10/30/17 Scan Time: 9:20 AM Log File: 4275d509-bd4b-11e7-b513-080027750297.json Administrator: Yes -Software Information- Version: 3.2.2.2018 Components Version: 1.0.212 Update Package Version: 1.0.3126 License: Premium -System Information- OS: Windows 7 Service Pack 1 CPU: x64 File System: NTFS User: {computername}\{username} -Scan Summary- Scan Type: Threat Scan Result: Completed Objects Scanned: 331986 Threats Detected: 11 Threats Quarantined: 11 Time Elapsed: 3 min, 20 sec -Scan Options- Memory: Enabled Startup: Enabled Filesystem: Enabled Archives: Enabled Rootkits: Disabled Heuristics: Enabled PUP: Detect PUM: Detect -Scan Details- Process: 0 (No malicious items detected) Module: 0 (No malicious items detected) Registry Key: 3 Trojan.Agent.TskLnk, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\Dec{username}, Delete-on-Reboot, [8813], [-1],0.0.0 Trojan.Agent.TskLnk, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tasks\{347EA87B-0F3A-466E-B3F3-9B27062D1720}, Delete-on-Reboot, [8813], [-1],0.0.0 Trojan.Agent.TskLnk, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Plain\{347EA87B-0F3A-466E-B3F3-9B27062D1720}, Delete-on-Reboot, [8813], [-1],0.0.0 Registry Value: 1 RiskWare.BitCoinMiner.TskLnk, HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN|WIN64SVC, Delete-on-Reboot, [9165], [451415],1.0.3126 Registry Data: 0 (No malicious items detected) Data Stream: 0 (No malicious items detected) Folder: 0 (No malicious items detected) File: 6 RiskWare.Agent.E, C:\USERS\{username}\APPDATA\LOCAL\TEMP\SOURSE.EXE, Delete-on-Reboot, [1050], [449494],1.0.3126 Trojan.Agent.TskLnk, C:\USERS\{username}\APPDATA\LOCAL\TEMP\KRK.TMP, Delete-on-Reboot, [8813], [451376],1.0.3126 Trojan.Agent.TskLnk, C:\WINDOWS\SYSTEM32\TASKS\Dec{username}, Delete-on-Reboot, [8813], [-1],0.0.0 Trojan.Injector.TskLnk, C:\USERS\{username}1\APPDATA\LOCAL\TEMP\KRK.TMP, Delete-on-Reboot, [9199], [451445],1.0.3126 RiskWare.BitCoinMiner.TskLnk, C:\USERS\{username}\DESKTOP\778899.EXE, Delete-on-Reboot, [9165], [451409],1.0.3126 Trojan.BitCoinMiner, C:\USERS\{username}\APPDATA\LOCAL\TEMP\MRM.TMP, Delete-on-Reboot, [78], [450839],1.0.3126 Physical Sector: 0 (No malicious items detected) (end) As mentioned before the full version of Malwarebytes could have protected your computer against this threat. We use different ways of protecting your computer(s): Dynamically Blocks Malware Sites & Servers Malware Execution Prevention Save yourself the hassle and get protected.
  5. What is Soft cores? The Malwarebytes research team has determined that Soft cores is a Bitcoin miner. These miners are designed to earn cryptocurrency by using system resources. How do I know if my computer is affected by Soft cores? You may see this entry in your list of installed programs: and this type of deeply nested Scheduled Task: How did Soft cores get on my computer? Trojans use different methods for distributing themselves. This particular one was installed by another trojan. How do I remove Soft cores? Our program Malwarebytes can detect and remove this trojan. Please download Malwarebytes to your desktop. Double-click mb3-setup-consumer-{version}.exe and follow the prompts to install the program. Then click Finish. Once the program has fully updated, select Scan Now on the Dashboard. Or select the Threat Scan from the Scan menu. If another update of the definitions is available, it will be implemented before the rest of the scanning procedure. When the scan is complete, make sure that all Threats are selected, and click Remove Selected. Restart your computer when prompted to do so. Is there anything else I need to do to get rid of Soft cores? This miner creates a scheduled task. You can read here how to check for and, if necessary, remove Scheduled Tasks. How would the full version of Malwarebytes help protect me? We hope our application and this guide have helped you eradicate this trojan. As you can see below the full version of Malwarebytes would have protected you against the Soft cores trojan. It would have warned you before the trojan could install itself, giving you a chance to stop it before it became too late. Technical details for experts Possible signs in FRST logs: (Soft core) C:\Users\{username}\AppData\Roaming\FireFox\launcher\Systemcore.exe HKCU\...\Run: [core_i] => C:\Users\{username}\AppData\Roaming\FireFox\launcher\Systemcore.exe [4518912 2017-10-01] (Soft core) C:\Users\{username}\AppData\Roaming\FireFox ssc 1.12 (HKLM-x32\...\ssc 1.12) (Version: 1.12 - Soft cores) Task: {4D595699-3433-48AE-9BB1-FB0BD90B43AF} - System32\Tasks\Microsoft\Windows\Wininet\sscore => Task: {C0990B5F-EB71-4C2D-8FB7-42573A9004A1} - System32\Tasks\Microsoft\Windows\sysem\ssrec\a\b\c\d\e\f\g\h\i => C:\Users\{username}\AppData\Roaming\systembackup\backup\ssc.sfx.exe Alterations made by the installer: File system details [View: All details] (Selection) --------------------------------------------------- Adds the folder C:\Users\{username}\AppData\Roaming\FireFox\launcher Adds the file libmySQL.dll"="8/21/2017 10:05 AM, 4002304 bytes, A Adds the file Systemcore.exe"="10/1/2017 10:29 PM, 4518912 bytes, A Adds the folder C:\Windows\System32\Tasks\Microsoft\Windows\sysem\ssrec\a\b\c\d\e\f\g\h Adds the file i"="10/19/2017 11:08 AM, 3624 bytes, A In the existing folder C:\Windows\System32\Tasks\Microsoft\Windows\Wininet Adds the file sscore"="10/19/2017 11:08 AM, 3542 bytes, A Registry details [View: All details] (Selection) ------------------------------------------------ [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\ssc 1.12] "DisplayIcon"="REG_SZ", "C:\Users\{username}\AppData\Roaming\FireFox\launcher\Uninstall.exe" "DisplayName"="REG_SZ", "ssc 1.12" "DisplayVersion"="REG_SZ", "1.12" "EstimatedSize"="REG_DWORD", 8322 "HelpLink"="REG_SZ", "mailto:support@company.com" "InstallDate"="REG_SZ", "20171019" "InstallLocation"="REG_SZ", "C:\Users\{username}\AppData\Roaming\FireFox\launcher\" "InstallSource"="REG_SZ", "C:\Users\{username}\Desktop\" "Language"="REG_DWORD", 1049 "NoModify"="REG_DWORD", 1 "NoRepair"="REG_DWORD", 1 "Publisher"="REG_SZ", "Soft cores" "UninstallString"="REG_SZ", "C:\Users\{username}\AppData\Roaming\FireFox\launcher\Uninstall.exe" "URLInfoAbout"="REG_SZ", "http://www.msdn.com/" "VersionMajor"="REG_DWORD", 1 "VersionMinor"="REG_DWORD", 12 [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run] "core_i"="REG_SZ", "C:\Users\{username}\AppData\Roaming\FireFox\launcher\Systemcore.exe" Malwarebytes log: Malwarebytes www.malwarebytes.com -Log Details- Scan Date: 10/19/17 Scan Time: 1:53 PM Log File: 25909b9d-b4c4-11e7-9519-080027750297.json Administrator: Yes -Software Information- Version: 3.2.2.2018 Components Version: 1.0.212 Update Package Version: 1.0.3048 License: Premium -System Information- OS: Windows 7 Service Pack 1 CPU: x64 File System: NTFS User: {computername}\{username} -Scan Summary- Scan Type: Threat Scan Result: Completed Objects Scanned: 330587 Threats Detected: 29 Threats Quarantined: 29 Time Elapsed: 2 min, 11 sec -Scan Options- Memory: Enabled Startup: Enabled Filesystem: Enabled Archives: Enabled Rootkits: Disabled Heuristics: Enabled PUP: Detect PUM: Detect -Scan Details- Process: 1 Trojan.BitCoinMiner.TskLnk, C:\USERS\{username}\APPDATA\ROAMING\FIREFOX\LAUNCHER\SYSTEMCORE.EXE, Quarantined, [8795], [447435],1.0.3048 Module: 2 Trojan.BitCoinMiner.TskLnk, C:\USERS\{username}\APPDATA\ROAMING\FIREFOX\LAUNCHER\SYSTEMCORE.EXE, Quarantined, [8795], [447435],1.0.3048 Trojan.BitCoinMiner, C:\USERS\{username}\APPDATA\ROAMING\FIREFOX\LAUNCHER\LIBMYSQL.DLL, Quarantined, [78], [447430],1.0.3048 Registry Key: 8 Trojan.BitCoinMiner.TskLnk, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\Microsoft\Windows\Wininet\sscore, Delete-on-Reboot, [8795], [-1],0.0.0 Trojan.BitCoinMiner.TskLnk, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tasks\{37ED7276-9B08-4C31-A903-B6CECC613BD6}, Delete-on-Reboot, [8795], [-1],0.0.0 Trojan.BitCoinMiner.TskLnk, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Plain\{37ED7276-9B08-4C31-A903-B6CECC613BD6}, Delete-on-Reboot, [8795], [-1],0.0.0 Trojan.BitCoinMiner, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\TREE\MICROSOFT\WINDOWS\WININET\sscore, Delete-on-Reboot, [78], [447921],1.0.3048 Trojan.BitCoinMiner, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\ssc 1.12, Delete-on-Reboot, [78], [447432],1.0.3048 Trojan.BitCoinMiner, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\TASKS\{37ED7276-9B08-4C31-A903-B6CECC613BD6}, Delete-on-Reboot, [78], [447923],1.0.3048 Trojan.BitCoinMiner, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\TASKS\{F52788E1-EC0D-4F28-8A73-0F0722143641}, Delete-on-Reboot, [78], [447924],1.0.3048 Trojan.BitCoinMiner, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\TREE\MICROSOFT\WINDOWS\sysem, Delete-on-Reboot, [78], [447922],1.0.3048 Registry Value: 3 Trojan.BitCoinMiner.TskLnk, HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN|core_i, Delete-on-Reboot, [8795], [447435],1.0.3048 Trojan.BitCoinMiner, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\TASKS\{37ED7276-9B08-4C31-A903-B6CECC613BD6}|PATH, Delete-on-Reboot, [78], [447923],1.0.3048 Trojan.BitCoinMiner, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\TASKS\{F52788E1-EC0D-4F28-8A73-0F0722143641}|PATH, Delete-on-Reboot, [78], [447924],1.0.3048 Registry Data: 0 (No malicious items detected) Data Stream: 0 (No malicious items detected) Folder: 10 Trojan.BitCoinMiner, C:\Windows\System32\Tasks\Microsoft\Windows\sysem\ssrec\a\b\c\d\e\f\g\h, Delete-on-Reboot, [78], [447912],1.0.3048 Trojan.BitCoinMiner, C:\Windows\System32\Tasks\Microsoft\Windows\sysem\ssrec\a\b\c\d\e\f\g, Delete-on-Reboot, [78], [447912],1.0.3048 Trojan.BitCoinMiner, C:\Windows\System32\Tasks\Microsoft\Windows\sysem\ssrec\a\b\c\d\e\f, Delete-on-Reboot, [78], [447912],1.0.3048 Trojan.BitCoinMiner, C:\Windows\System32\Tasks\Microsoft\Windows\sysem\ssrec\a\b\c\d\e, Delete-on-Reboot, [78], [447912],1.0.3048 Trojan.BitCoinMiner, C:\Windows\System32\Tasks\Microsoft\Windows\sysem\ssrec\a\b\c\d, Delete-on-Reboot, [78], [447912],1.0.3048 Trojan.BitCoinMiner, C:\Windows\System32\Tasks\Microsoft\Windows\sysem\ssrec\a\b\c, Delete-on-Reboot, [78], [447912],1.0.3048 Trojan.BitCoinMiner, C:\Windows\System32\Tasks\Microsoft\Windows\sysem\ssrec\a\b, Delete-on-Reboot, [78], [447912],1.0.3048 Trojan.BitCoinMiner, C:\Windows\System32\Tasks\Microsoft\Windows\sysem\ssrec\a, Delete-on-Reboot, [78], [447912],1.0.3048 Trojan.BitCoinMiner, C:\Windows\System32\Tasks\Microsoft\Windows\sysem\ssrec, Delete-on-Reboot, [78], [447912],1.0.3048 Trojan.BitCoinMiner, C:\WINDOWS\SYSTEM32\TASKS\MICROSOFT\WINDOWS\SYSEM, Delete-on-Reboot, [78], [447912],1.0.3048 File: 5 Trojan.BitCoinMiner.TskLnk, C:\USERS\{username}\APPDATA\ROAMING\FIREFOX\LAUNCHER\SYSTEMCORE.EXE, Delete-on-Reboot, [8795], [447435],1.0.3048 Trojan.BitCoinMiner.TskLnk, C:\WINDOWS\SYSTEM32\TASKS\Microsoft\Windows\Wininet\sscore, Delete-on-Reboot, [8795], [-1],0.0.0 Trojan.BitCoinMiner, C:\USERS\{username}\APPDATA\ROAMING\FIREFOX\LAUNCHER\LIBMYSQL.DLL, Delete-on-Reboot, [78], [447430],1.0.3048 Trojan.BitCoinMiner, C:\Windows\System32\Tasks\Microsoft\Windows\sysem\ssrec\a\b\c\d\e\f\g\h\i, Delete-on-Reboot, [78], [447912],1.0.3048 Trojan.BitCoinMiner, C:\USERS\{username}\DESKTOP\BCM SETUP.EXE, Delete-on-Reboot, [78], [447580],1.0.3048 Physical Sector: 0 (No malicious items detected) (end) As mentioned before the full version of Malwarebytes could have protected your computer against this threat. We use different ways of protecting your computer(s): Dynamically Blocks Malware Sites & Servers Malware Execution Prevention Save yourself the hassle and get protected.
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