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Removal instructions for WIN

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What is WIN?

The Malwarebytes research team has determined that WIN is adware. These adware applications display advertisements not originating from the sites you are browsing.
This one opens a new window or tab of your default browser every few minutes.

How do I know if my computer is affected by WIN?

You may see this entry in your list of installed programs:


and this warning during install:


How did WIN get on my computer?

Adware applications use different methods for distributing themselves. This particular one was bundled with other software.

How do I remove WIN?

Our program Malwarebytes Anti-Malware can detect and remove this potentially unwanted program.
  • Please download Malwarebytes Anti-Malware to your desktop.
  • Double-click mbam-setup-version.exe and follow the prompts to install the program.
  • At the end, be sure a check-mark is placed next to the following:
    • Enable free trial of Malwarebytes Anti-Malware Premium
    • Launch Malwarebytes Anti-Malware
  • Then click Finish.
  • If an update is found, you will be prompted to download and install the latest version.
  • Once the program has loaded, select Scan now. Or select the Threat Scan from the Scan menu.
  • When the scan is complete , make sure that everything is set to "Quarantine", and click Apply Actions.
  • Reboot your computer if prompted.
Is there anything else I need to do to get rid of WIN?
  • No, Malwarebytes' Anti-Malware removes WIN completely.
How would the full version of Malwarebytes Anti-Malware help protect me?

We hope our application and this guide have helped you eradicate this adware application.

As you can see below the full version of Malwarebytes Anti-Malware would have protected you against the WIN adware. It would have warned you before the application could install itself, giving you a chance to stop it before it became too late.



and it will block connections to the servers that deliver the advertisements:


Technical details for experts

You may see these signs in FRST logs:
 () C:\Program Files (x86)\win_en_77\win_en_77.exe
 HKLM-x32\...\Run: [win_en_77] => C:\Program Files (x86)\win_en_77\win_en_77.exe [3970776 2016-02-19] ()
 C:\Program Files (x86)\win_en_77

WIN (HKLM-x32\...\win_en_77_is1) (Version:  - ) <==== ATTENTION
Alterations made by the installer:
File system details [View: All details] (Selection)
    Adds the folder C:\Program Files (x86)\win_en_77
       Adds the file win_en_77 - uninstall.dat"="2/24/2016 8:31 AM, 40888 bytes, A
       Adds the file win_en_77 - uninstall.exe"="2/24/2016 8:30 AM, 718497 bytes, A
       Adds the file win_en_77.exe"="2/19/2016 3:34 PM, 3970776 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\Programs\Common
    Adds the folder C:\Users\{username}\AppData\Local\win_en_77\win_en_77\1.20
       Adds the file cnf.cyl"="2/24/2016 8:31 AM, 131 bytes, A
       Adds the file eorezo.cyl"="2/24/2016 8:36 AM, 69 bytes, A

Registry details [View: All details] (Selection)
       "win_en_77"="REG_SZ", ""C:\Program Files (x86)\win_en_77\win_en_77.exe""
       "DisplayName"="REG_SZ", "WIN"
       "EstimatedSize"="REG_DWORD", 4568
       "Inno Setup: App Path"="REG_SZ", "C:\Program Files (x86)\win_en_77"
       "Inno Setup: Icon Group"="REG_SZ", "WIN"
       "Inno Setup: Language"="REG_SZ", "default"
       "Inno Setup: Setup Version"="REG_SZ", "5.5.4 (a)"
       "Inno Setup: User"="REG_SZ", "{username}"
       "InstallDate"="REG_SZ", "20160224"
       "InstallLocation"="REG_SZ", "C:\Program Files (x86)\win_en_77\"
       "NoModify"="REG_DWORD", 1
       "NoRepair"="REG_DWORD", 1
       "QuietUninstallString"="REG_SZ", ""C:\Program Files (x86)\win_en_77\win_en_77 - uninstall.exe" /SILENT"
       "UninstallString"="REG_SZ", ""C:\Program Files (x86)\win_en_77\win_en_77 - uninstall.exe""
       "PathInstall"="REG_SZ", "C:\Program Files (x86)\win_en_77"
Malwarebytes Anti-Malware log:
Malwarebytes Anti-Malware

Scan Date: 2/24/2016
Scan Time: 8:44 AM
Logfile: mbamWIN.txt
Administrator: Yes

Malware Database: v2016.02.24.02
Rootkit Database: v2016.02.17.01
License: Premium
Malware Protection: Disabled
Malicious Website Protection: Disabled
Self-protection: Disabled

OS: Windows 7 Service Pack 1
CPU: x64
File System: NTFS
User: {username}

Scan Type: Threat Scan
Result: Completed
Objects Scanned: 366860
Time Elapsed: 8 min, 44 sec

Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Enabled
Heuristics: Enabled
PUP: Enabled
PUM: Enabled

Processes: 2
PUP.Optional.CSDI, C:\Program Files (x86)\win_en_77\win_en_77.exe, 3960, Delete-on-Reboot, [790968fc6d2c132390591801f114b64a]
PUP.Optional.CSDI, C:\Program Files (x86)\win_en_77\win_en_77.exe, 3448, Delete-on-Reboot, [790968fc6d2c132390591801f114b64a]

Modules: 0
(No malicious items detected)

Registry Keys: 2
PUP.Optional.Tuto4PC, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\win_en_77_is1, Quarantined, [6c169ec69dfcec4a95868cdf36cefb05], 
PUP.Optional.Tuto4PC, HKLM\SOFTWARE\WOW6432NODE\WIN\win_en_77, Quarantined, [9ae82d37cecb2016fc20511a09fb619f], 

Registry Values: 1
PUP.Optional.CSDI, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN|win_en_77, "C:\Program Files (x86)\win_en_77\win_en_77.exe", Quarantined, [790968fc6d2c132390591801f114b64a]

Registry Data: 0
(No malicious items detected)

Folders: 4
PUP.Optional.Tuto4PC, C:\Users\{username}\AppData\Local\win_en_77, Quarantined, [c0c2b6ae4e4b8ea8f442bd3e8280ff01], 
PUP.Optional.Tuto4PC, C:\Users\{username}\AppData\Local\win_en_77\win_en_77, Quarantined, [c0c2b6ae4e4b8ea8f442bd3e8280ff01], 
PUP.Optional.Tuto4PC, C:\Users\{username}\AppData\Local\win_en_77\win_en_77\1.20, Quarantined, [c0c2b6ae4e4b8ea8f442bd3e8280ff01], 
PUP.Optional.Tuto4PC, C:\Program Files (x86)\win_en_77, Delete-on-Reboot, [433f41230693e55139fef40726dca15f], 

Files: 6
PUP.Optional.CSDI, C:\Program Files (x86)\win_en_77\win_en_77.exe, Delete-on-Reboot, [790968fc6d2c132390591801f114b64a], 
PUP.Optional.Tuto4PC, C:\Users\{username}\Desktop\win.exe, Quarantined, [8af8263e1d7c261019d29ec09868dc24], 
PUP.Optional.Tuto4PC, C:\Users\{username}\AppData\Local\win_en_77\win_en_77\1.20\cnf.cyl, Quarantined, [c0c2b6ae4e4b8ea8f442bd3e8280ff01], 
PUP.Optional.Tuto4PC, C:\Users\{username}\AppData\Local\win_en_77\win_en_77\1.20\eorezo.cyl, Quarantined, [c0c2b6ae4e4b8ea8f442bd3e8280ff01], 
PUP.Optional.Tuto4PC, C:\Program Files (x86)\win_en_77\win_en_77 - uninstall.dat, Quarantined, [433f41230693e55139fef40726dca15f], 
PUP.Optional.Tuto4PC, C:\Program Files (x86)\win_en_77\win_en_77 - uninstall.exe, Quarantined, [433f41230693e55139fef40726dca15f], 

Physical Sectors: 0
(No malicious items detected)

As mentioned before the full version of Malwarebytes Anti-Malware 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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