Sophos

Troj/Prorat-O

Aliases
  • Trojan-Downloader.Win32.Small.rc
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Drops more malware
  • Installs itself in the registry
Included in our products from September 2005 (3.97)
Protection available since 19 July 2005 10:29:03 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Prorat-O is a Trojan for the Windows platform.

Troj/Prorat-O creates a file lncom_.jpg and displays the image while installing itself.

The image displayed by Troj/Prorat-O

The Trojan attempts to download and install files from a remote site. Troj/Prorat-O is a Trojan for the Windows platform.

Troj/Prorat-O creates a file lncom_.jpg and displays the image while installing itself.

The image displayed by Troj/Prorat-O

When run, Troj/Prorat-O copies itself to the Windows system folder with the following names:

ffservice.exe
lncom.exe
lservice.exe
wservice.exe

In order to run each time a user logs on, Troj/Prorat-O sets the following registry entries:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Windows Reg Services
"<path to Trojan EXE>"

HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\(a75aed00-d7bf-11d1-9947-00c0Cf98bbc9)\
<several entries>

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Windows Reg Services
"<path to Trojan EXE>"

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run
Windows Reg Services
"<path to Trojan EXE>"

The Trojan attempts to download and install files from a remote site. At the time of writing, the remote site was unavailable.

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