Sophos

W32/Pardona-B

Aliases
  • Trojan-Dropper.Win32.Delf.abf
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Email messages
  • Network shares
  • Infected files
  • Web downloads
Affected operating systems Windows
Included in our products from January 2007 (4.13)
Protection available since 16 November 2006 23:05:30 (GMT)
Last updated 22 November 2006 00:07:40 (GMT)
Detected by All Sophos products

Action

More Information

W32/Pardona-B is a virus for the Windows platform.

The virus attempts to infect EXE files, and to modify HTM and ASP files so that they silently download from a remote webiste.

W32/Pardona-B may spread to other network computers and may also spread via email.

W32/Pardona-B also includes functionality to download, install and run new software. W32/Pardona-B is a virus for the Windows platform.

The virus attempts to infect EXE files, and to modify HTM and ASP files so that they silently download from a remote webiste.

W32/Pardona-B may spread to other network computers and may also spread via email.

W32/Pardona-B also includes functionality to download, install and run new software.

When first run W32/Pardona-B copies itself to <Windows system folder>\ePower.exe and to several files of the form

<Temp>\<random letters>

Each of these files is either identical to, or slight variants of, the original file. All will be detected as W32/Pardona-B.

The virus also creates the file C:\WINDOWS\System32\<random letters>.sys

This SYS file is registered as a new system driver service named "SysDrver", with a display name of "System SSDP Services".
Registry entries are created under:

HKLM\SYSTEM\CurrentControlSet\Services\SysDrver\

The SYS file, which is detected as Troj/Pardot-A, uses stealth functionality to hide processes creates by W32/Pardona-B.

The virus attempts to download and execute files to the following location:

C:\tool<number>.exe

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