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PSW-Stealer.Algus Analysis Report
Threat Submitted On: 3/9/2008 12:25:27 AM
Threat Analysed On: 3/9/2008 5:25:27 AM
Threat Updated On: 1/28/2011 10:27:24 AM
Type : PSW-Stealer
Symptoms of Algus
  • Runs in stealth mode and records passwords as and when entered on a system
  • May also imitate the login prompt, asking the user to provide their password
Alias : Trojan-PSW.Win32.Algus.80
Md5 Hash : [067490c53824e2a966dea38431401dd4]
File Size : (57344 bytes)

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: scanreg.exe
Path : %windir%\system32

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Collapse Md5Hash :Md5Hash :
5ffb01053a87836f93e7e417b5ee7646 ( 101378 bytes)
e1a3d3d72e6fde09e137fcfe0af07564 ( 45056 bytes)
File: scanregit.exe
Path : %windir%\system32

Md5Hash :067490c53824e2a966dea38431401dd4 ( 57344 bytes)
File: vmmio.vxd
Path : %windir%\system32

Md5Hash :fe325b180f6075ef02c7429a09c1b3ea ( 4277 bytes)
File: [randomname].exe
Path : %workingdir%

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Collapse Md5Hash :Md5Hash :
03c4dab663d060054f85393742407c20 ( 28674 bytes)
067490c53824e2a966dea38431401dd4 ( 57344 bytes)
5ffb01053a87836f93e7e417b5ee7646 ( 101378 bytes)
e1a3d3d72e6fde09e137fcfe0af07564 ( 45056 bytes)
The following Registry Values are added to the provided Registry Keys :-
Delete the added Values from the Key to remove Infection
|__ Value Added :
simpletrojan1 = "%SYSTEMDRIVE%\data\03c4dab663d060054f85393742407c20.exe"
Creates the following child process(s) on execution:


Copies the Following Files to Given Location :-

Copies :%workingdir%\[random name].exe

To : %windir%\system32\scanregit.exe


1. %windir% Refers to the windows root folder. By default it is 'C:\Windows'
2. %workingdir% Refers to the current directory in which user is working.

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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