services.exe – worm Vobfus

I will tell you in this post how to fix the issue manually and how to clean it automatically using a special powerful removal tool. You can download the removal program for free here:

We checked some samples of services.exe and detected the file services.exe as threat.
Remove the services.exe from your computer right now.
Removal tool: http://www.unhackme.com

Malware Analysis of services.exe
Executed: Venom.exe
Removed: services.exe. Full path: C:\Documents and Settings\Administrator\Application Data\services.exe

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Detected by UnHackMe:

Item Name: shell
Author: Unknown
Related File: Explorer.exe “C:\Documents and Settings\Administrator\Application Data\services.exe”
Type: System.ini


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Item Name: MSWUpdate
Author:
Related File: C:\DOCUMENTS AND SETTINGS\ADMINISTRATOR\APPLICATION DATA\SERVICES.EXE
Type: Registry Run

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

Removal Results: Success
Number of reboot: 1

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How to quickly detect malware presence?

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

Registry: HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell
Value: “Explorer.exe “C:\Documents and Settings\Administrator\Application Data\services.exe””

Files:
C:\Documents and Settings\Administrator\Application Data\services.exe
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Classification:

Antivirus Version Last Update Result
F-Secure 9.0.16440.0 2011.03.14 Trojan.Generic.KD.154069
Kaspersky 7.0.0.125 2011.03.15 Trojan.Win32.VBKrypt.cbtk
Microsoft 1.6603 2011.03.15 Worm:Win32/Vobfus
NOD32 5954 2011.03.15 Win32/AutoRun.VB.YN

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MD5 15b2391f767c0ab0de407d7459c4ba8e

SHA1 196580fb2c80142685a12149282850fea6576b27

SHA256 e7b59b6ff72d4c243f19a9d0e09bd950094cc08c584158757db5355984ede0f4

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

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Keys added:15
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HKLM\Software\Microsoft\Tracing\FWCFG
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh\Napmontr
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent\traceIdentifier
HKLM\Software\Microsoft\DownloadManager
HKLM\System\CurrentControlSet\Services\napagent\LocalConfig\Enroll
HKLM\System\CurrentControlSet\Services\napagent\LocalConfig\Enroll\HcsGroups
HKLM\System\CurrentControlSet\Services\napagent\LocalConfig\UI
HKCU\Software\Microsoft\Visual Basic
HKCU\Software\Microsoft\Visual Basic\6.0
HKCU\Software\VB and VBA Program Settings
HKCU\Software\VB and VBA Program Settings\Micronsoft
HKCU\Software\VB and VBA Program Settings\Micronsoft\addIns

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Values added:22
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HKLM\Software\Microsoft\Tracing\FWCFG\EnableFileTracing: 0×00000000
HKLM\Software\Microsoft\Tracing\FWCFG\EnableConsoleTracing: 0×00000000
HKLM\Software\Microsoft\Tracing\FWCFG\FileTracingMask: 0xFFFF0000
HKLM\Software\Microsoft\Tracing\FWCFG\ConsoleTracingMask: 0xFFFF0000
HKLM\Software\Microsoft\Tracing\FWCFG\MaxFileSize: 0×00100000
HKLM\Software\Microsoft\Tracing\FWCFG\FileDirectory: “%windir%\tracing”
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\MSWUpdate: “”C:\Documents and Settings\Administrator\Application Data\services.exe””
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh\Napmontr\Guid: “710adbf0-ce88-40b4-a50d-231ada6593f0″
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh\Napmontr\BitNames: ” NAP_TRACE_BASE NAP_TRACE_NETSH”
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh\LogSessionName: “stdout”
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh\Active: 0×00000001
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh\ControlFlags: 0×00000001
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent\traceIdentifier\Guid: “b0278a28-76f1-4e15-b1df-14b209a12613″
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent\traceIdentifier\BitNames: ” Error Unusual Info Debug”
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent\LogSessionName: “stdout”
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent\Active: 0×00000001
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent\ControlFlags: 0×00000001
HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Documents and Settings\Administrator\Application Data\services.exe: “C:\Documents and Settings\Administrator\Application Data\services.exe:*:Enabled:CityScape”
HKCU\Software\Microsoft\Windows\CurrentVersion\Run\MSWUpdate: “”C:\Documents and Settings\Administrator\Application Data\services.exe””
HKCU\Software\VB and VBA Program Settings\Micronsoft\addIns\Proc: “unAmaNB‰—6″
HKCU\Software\VB and VBA Program Settings\Micronsoft\addIns\LOC: “}† “Oi?8…±U?n??I”
HKCU\Software\VB and VBA Program Settings\Micronsoft\addIns\FS: “1″

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Values modified:2
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(-) HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell: “Explorer.exe”
(+) HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell: “Explorer.exe “C:\Documents and Settings\Administrator\Application Data\services.exe””

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Files added:1
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C:\Documents and Settings\Administrator\Application Data\services.exe

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Total changes:40
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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


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