PE_VIRUX.I


 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: File infector

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This file infector connects to certain websites to send and receive information.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

PE

Initial Samples Received Date:

17 Nov 2009

Installation

This file infector injects codes into the following process(es):

  • WINLOGON.EXE

Other System Modifications

This file infector adds the following registry entries:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\SharedAccess\Parameters\
FirewallPolicy\DomainProfile\AuthorizedApplications\
List
\??\%System%\winlogon.exe = \??\%System%\winlogon.exe:*:enabled:@shell32.dll,-1

File Infection

This file infector infects the following file types:

  • .EXE
  • .SCR

It avoids infecting files that contain the following strings in their names:

  • OTSP
  • WC32
  • WCUN
  • WINC

It avoids infecting the following files:

  • .DLL files
  • PE Files with "_win" section name
  • Files with infection marker

Other Details

This file infector connects to the following website to send and receive information:

  • {BLOCKED}u.{BLOCKED}s.pl

NOTES:
It arrives as a file infected by PE_VIRUX variants.