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Win32.Cycbot and General Clean


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#1 beantownhusky

beantownhusky

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Posted 13 September 2011 - 01:24 PM

Hey guys,

My computer found the Win32.Cycbot trojan on my computer. It has been messing with my internet and trying to start win.exe programs on my computer. I found your forum through another post that had the same problems and I was wondering if you could help me out with this.

I ran malwarebytes before and this is what the quickscan came up with...

Malwarebytes' Anti-Malware 1.51.2.1300
www.malwarebytes.org

Database version: 7622

Windows 6.0.6001 Service Pack 1
Internet Explorer 8.0.6001.18999

9/13/2011 2:05:57 PM
mbam-log-2011-09-13 (14-05-57).txt

Scan type: Quick scan
Objects scanned: 172536
Time elapsed: 20 minute(s), 23 second(s)

Memory Processes Infected: 1
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 7

Memory Processes Infected:
\\.\globalroot\device\harddiskvolume2\users\andrew\appdata\local\temp\win1082442752.exe (Rootkit.0Access.XGen) -> 3188 -> Failed to unload process.

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:
\\.\globalroot\device\harddiskvolume2\users\andrew\appdata\local\temp\win1082442752.exe (Rootkit.0Access.XGen) -> Quarantined and deleted successfully.
c:\Users\Andrew\AppData\Local\Temp\B738.tmp (Rootkit.0Access.XGen) -> Quarantined and deleted successfully.
c:\Users\Andrew\AppData\Local\Temp\0.38979086044154754.exe (Exploit.Drop.2) -> Quarantined and deleted successfully.
c:\Users\Andrew\AppData\Local\Temp\win126470144.exe (Rootkit.0Access.XGen) -> Quarantined and deleted successfully.
c:\Users\Andrew\AppData\Local\Temp\win624301172.exe (Rootkit.0Access.XGen) -> Quarantined and deleted successfully.
c:\Users\Andrew\AppData\Local\Temp\win1082442752.exe (Rootkit.0Access.XGen) -> Delete on reboot.
c:\Users\Andrew\AppData\Local\Temp\win1949197312.exe (Rootkit.0Access.XGen) -> Quarantined and deleted successfully.

[/b]

Thanks

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#2 boopme

boopme

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Posted 13 September 2011 - 03:28 PM

Hello, the first thing I want you to know about is this is a backdoor infection.

One or more of the identified infections is a backdoor trojan.

This allows hackers to remotely control your computer, steal critical system information and download and execute files.

I would counsel you to disconnect this PC from the Internet immediately. If you do any banking or other financial transactions on the PC or if it should contain any other sensitive information, please get to a known clean computer and change all passwords where applicable, and it would be wise to contact those same financial institutions to apprise them of your situation.

Though the trojan has been identified and can be killed, because of it's backdoor functionality, your PC is very likely compromised and there is no way to be sure your computer can ever again be trusted. Many experts in the security community believe that once infected with this type of trojan, the best course of action would be a reformat and reinstall of the OS. Please read these for more information:

How Do I Handle Possible Identify Theft, Internet Fraud and CC Fraud?
When Should I Format, How Should I Reinstall

We can still clean this machine but I can't guarantee that it will be 100% secure afterwards. Let me know what you decide to do.
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