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KeyLogger.ActMon-Computer-Monitoring Analysis Report
Threat Submitted On: 1/10/2007 10:00:03 AM
Threat Analysed On: 1/10/2007 3:00:03 PM
Threat Updated On: 1/27/2011 8:52:07 AM
Type : KeyLogger
Symptoms of ActMon-Computer-Monitoring
  • Records every keystroke typed on the computer.
  • Runs in stealth mode.
  • Usually takes system snapshots at regular time intervals that may include all chat conversations, email, URL of visited websites, clipboard data etc.
  • Information is saved in the form of logs and sent to the intruder.
Alias : ActMon Computer Monitoring
Md5 Hash : [Not Available]
File Size : [ Not Available ]

Technical Details

Here are the Technical findings of our analysis team after analyzing this malware in detail :-

Creates the following infected Files on user's System
Delete the following Files to remove Infection
File: #[computer-name]#testserajendra#.dat
Path : %allusersprofile%\application data\vxdkrn

Md5Hash :ead24f796ba8328e00900e533da0b1d3 ( 15744 bytes)
File: actmon-cm-setup.exe
Path : %homepath%\desktop

Md5Hash :d1fb7a8a1fbb003d74389d18f3a888b2 ( 1593856 bytes)
File: acm-manual.chm
Path : %windir%\system32

Md5Hash :b1787c80d3f480fb5bf6f0212be4ee41 ( 137590 bytes)
File: wskrnlc.sys
Path : %windir%\system32\drivers

Md5Hash :a95ba40272ae3b5b647ca02dba76ab86 ( 5632 bytes)
File: wskrnl.exe
Path : %windir%\system32

Md5Hash :f117142c29cf21efdec3c2dee5a774bc ( 962560 bytes)
The following Registry Values are added to the provided Registry Keys :-
Delete the added Values from the Key to remove Infection
|__ Value Added :
vxdKrn = ""%WINDIR%\system32\vxdKrn.exe" -at"
|__ Value Added :
wskrnl = ""%WINDIR%\system32\wskrnl.exe" -at"
|__ Value Added :
ErrorControl = "1"
|__ Value Added :
0 = "ACPI\PNP0303\4&5289e18&0"
|__ Value Added :
NextInstance = "1"


1. %allusersprofile% Refers to the windows all users profile folder. By default it is 'C:\Documents and Settings\All Users'
2. %homepath% Refers to the windows current user's profile folder. By default it is 'C:\Documents and Settings\[user]'
3. %userprofile% Refers to the windows current user's profile folder. By default it is 'C:\Documents and Settings\[user]'
4. %windir% Refers to the windows root folder. By default it is 'C:\Windows'

Important: We strongly recommend that you backup the Registry before making any changes to it. Incorrect changes to the Registry can result in permanent data loss or corrupted Files. Modify the malicious\suspicious Subkeys only.

Click Here for more recommended PC Security and Optimization Tools

To modify registry entries in Windows Operating System:
Follow Steps:
1. Click Start > Run
2. Type “regedit” : to open registry editor
3. Navigate to required registry Key from the Left Tree control and modify accordingly.

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