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Backdoor.Bot in Windows\Installer folder?


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Hello,

A full scan with MBAM found only one infection, but in an .xls file in the Windows\Installer

folder. No registry infections. Is this a false positive, or should I start acting as if my

identity has been stolen? I have to know which it is. Is Backdoor.Bot a known keystroke

logger? The other thing is, the file is now quarantined, but will this mean Windows cannot

reboot again? (The installer folder is so important it is normally hidden.) Should I reinstate

the file?

Log file is below. Help, please.

Malwarebytes' Anti-Malware 1.41

Database version: 2775

Windows 5.1.2600 Service Pack 3

13/09/2009 11:40:13 PM

mbam-log-2009-09-13 (23-40-13).txt

Scan type: Full Scan (C:\|)

Objects scanned: 261912

Time elapsed: 1 hour(s), 16 minute(s), 10 second(s)

Memory Processes Infected: 0

Memory Modules Infected: 0

Registry Keys Infected: 0

Registry Values Infected: 0

Registry Data Items Infected: 0

Folders Infected: 0

Files Infected: 1

Memory Processes Infected:

(No malicious items detected)

Memory Modules Infected:

(No malicious items detected)

Registry Keys Infected:

(No malicious items detected)

Registry Values Infected:

(No malicious items detected)

Registry Data Items Infected:

(No malicious items detected)

Folders Infected:

(No malicious items detected)

Files Infected:

C:\WINDOWS\Installer\{2D5C886B-878A-46A0-ABB6-E583D4D9C904}\Icon2D5C886B1.xls (Backdoor.Bot) ->

Quarantined and deleted successfully.

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I don't see anything on Google for that file.

Please upload a sample to our UploadNET.

Oops, I misunderstood that button in my post#2, sorry.

Thanks for your reply. I have now uploaded as requested. I'm not sure which of the 2 files I uploaded is (was) the .xls file with the Backdoor.Bot, the other infected file was just Adware.EGDAccess found in my first quick scan by MBAM (which, by the way, also found 7 registry key infections by EGDAccess, Adware.NetOptimizer, and Trojan.Agent which I am not too worried about). I also uploaded the 2 backup files, maybe they contain the original file names? That makes a total of 4 files I have uploaded: QUAR1.62068, QUAR1.23242, and two BACKUP1 files with the same numbers.

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Oops, I misunderstood that button in my post#2, sorry.

Thanks for your reply. I have now uploaded as requested. I'm not sure which of the 2 files I uploaded is (was) the .xls file with the Backdoor.Bot, the other infected file was just Adware.EGDAccess found in my first quick scan by MBAM (which, by the way, also found 7 registry key infections by EGDAccess, Adware.NetOptimizer, and Trojan.Agent which I am not too worried about). I also uploaded the 2 backup files, maybe they contain the original file names? That makes a total of 4 files I have uploaded: QUAR1.62068, QUAR1.23242, and two BACKUP1 files with the same numbers.

GT500, were you able to retrieve these uploads?

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