Sophos

Troj/DownLdr-IM

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Protection available since 22 December 2005 07:07:52 (GMT)
Detected by All Sophos products
  • Endpoint Security and Control 9.0
  • Small business solutions 4.0

Action

More Information

Troj/DownLdr-IM is a Trojan for the Windows platform.

Troj/DownLdr-IM includes functionality to download, install and run new software.

When first run Troj/DownLdr-IM copies itself to <System>\chkdisk32.exe and repeatedly tries to download a file from a remote url to the Windows temp folder with a name dl<random numbers>.exe.

Troj/DownLdr-IM will create the following registry entry:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Disk check
"chkdisk32.exe"

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Disk check
"chkdisk32.exe"

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Disk check
"chkdisk32.exe"

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