TROJ_VILSEL.RF

October 09, 2012
 Analysis by: Sabrina Lei Sioting
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

36,864 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

30 Jul 2011

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other System Modifications

This Trojan adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\NateSrch

It adds the following registry entries as part of its installation routine:

HKEY_LOCAL_MACHINE\SOFTWARE\NateSrch
LIVE_DAY = %yyyy%%mm%%dd%

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}op.linkprice.com/app/count.php?aff_id=&count_type=1&app_code=Nateadd
  • http://{BLOCKED}op.linkprice.com/app/count.php?aff_id=&count_type=2&app_code=Nateadd
  • http://{BLOCKED}ipml.nate.com/upload/autosearch_n/efver.ini