Removed: C:\Documents and Settings\Administrator\Application Data\Microsoft\svchost.exe (backdoor Cycbot)

October 21, 2010 by NightWatcher
Filed under: Malware 
: Solved!

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Malware: load.exe

Removed: C:\Documents and Settings\Administrator\Application Data\Microsoft\svchost.exe

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Detected by UnHackMe:

Item Name: svchost
Author:
Related File: C:\DOCUMENTS AND SETTINGS\ADMINISTRATOR\APPLICATION DATA\MICROSOFT\SVCHOST.EXE
Type: Registry Run

Item Name: svchost.exe
Author:
Related File: C:\DOCUMENTS AND SETTINGS\ADMINISTRATOR\APPLICATION DATA\MICROSOFT\SVCHOST.EXE
Type: Running Processes

Removal Results: Success
Number of reboot: 1

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How to quickly detect malware presence?

Registry: HKLM\Software\Microsoft\Windows\CurrentVersion\Run\svchost
Value: “C:\Documents and Settings\Administrator\Application Data\Microsoft\svchost.exe”

Folders:
C:\Documents and Settings\Administrator\Application Data\Microsoft\

Files:
C:\Documents and Settings\Administrator\Application Data\Microsoft\stor.cfg
C:\Documents and Settings\Administrator\Application Data\Microsoft\svchost.exe

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Classification:

Antivirus Version Last Update Result
F-Secure 9.0.16160.0 2010.10.20 -
Kaspersky 7.0.0.125 2010.10.20 -
Microsoft 1.6301 2010.10.20 Backdoor:Win32/Cycbot.B
NOD32 5549 2010.10.20 a variant of Win32/Kryptik.HOL

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MD5 eff2da1e76594f1aa21d93e4d80171bd

SHA1 6896aab76012878a25f7b1cbdaa1a3c8aa47ba1b

SHA256 f8795fe6702d5175f5e15e9febacd7e97084d2751b77450d7661dfc5b9926d02

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Installation
When the program is executed, it creates the following registry subkeys and values:

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Values added:1
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HKLM\Software\Microsoft\Windows\CurrentVersion\Run\svchost: “C:\Documents and Settings\Administrator\Application Data\Microsoft\svchost.exe”

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Values modified:2
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(-) HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyServer: “ftp=192.168.174.1:808;http=192.168.174.1:808;https=192.168.174.1:808;socks=192.168.174.1:1080″
(+) HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyServer: “http=127.0.0.1:50370″
(-) HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings: 46 00 00 /…/ FB 03 00
(+) HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings: 46 00 00 /…/ FB 03 00

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Files added:2
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C:\Documents and Settings\Administrator\Application Data\Microsoft\stor.cfg
C:\Documents and Settings\Administrator\Application Data\Microsoft\svchost.exe

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Files [attributes?] modified:1
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C:\Documents and Settings\Administrator\Application Data\Mozilla\Firefox\Profiles\gi17c3pt.default\prefs.js

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Total changes:6
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Recommended software:
UnHackMe anti-rootkit and anti-malware
http://www.unhackme.com
RegRun Security Suite (Good choice for removal and protection)
http://www.regrun.com


Recommended: UnHackMe anti-rootkit and anti-malware

Premium software: RegRun Security Suite (Good choice for removal and protection)

Written by

Malware Hunter.

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