Sophos

Troj/Maha-T

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 9 May 2008 23:49:11 (GMT)
Detected by All Sophos products
Download Free virus scan
Download the Threat Detection Test
  • Free virus, spyware, and adware scan
  • Test your existing anti-virus protection
  • Find threats your anti-virus missed

Action

More Information

Troj/Maha-T is a Trojan for the Windows platform.

When first run Troj/Maha-T copies itself to:

<Root>\smartass.dat
<Windows>\cnssr.exe

and creates the following file:

<Windows>\sqlserver.dll

This file is detected as Troj/Maha-Gen

The following registry entries are created to run cnssr.exe on startup:

HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\b5700x drive
StubPath
<Windows>\cnssr.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
b5700x drive
<Windows>\cnssr.exe

The following registry entries are also created:

HKCU\Software\Microsoft\Internet Explorer\Main
FormSuggest PW Ask
no

HKCU\Software\Microsoft\Internet Explorer\Main
FormSuggest Passwords
no

HKCU\Software\Microsoft\Internet Explorer\Main
Use FormSuggest
no

HKCU\Software\Yahoo\Pager
Auto Login
0

HKCU\Software\Yahoo\Pager
Save Password
0

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion
CLR
0

HKLM\SOFTWARE\Microsoft\Windows
winkthink
SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run

HKLM\SOFTWARE\Microsoft\Windows
yobitch
b5700x drive

HKLM\SYSTEM\CurrentControlSet\Services\RasMan\Parameters
DisableSavePassword
1

HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile
DisableNotifications
1

HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile
EnableFirewall
0

Troj/Maha-T changes the following registry entry:

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
disabledomaincreds
1

RSS|Atom
Get reports about the latest virus and spyware threats delivered to your computer