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TSPY_AGENT.YNUM

May 30, 2014
 Analysis by: Jimelle Monteser
 ALIASES:

Win32/PSW.VB.NIS trojan (NOD32)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This spyware 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:

953,998 bytes

Memory Resident:

Yes

Initial Samples Received Date:

20 May 2014

Arrival Details

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

Dropping Routine

This spyware drops the following files:

  • %User Profile%\ylev9tu58w3t7d\iexlpore.exe
  • %User Profile%\ylev9tu58w3t7d\kreOumSA.XJB
  • %User Profile%\ylev9tu58w3t7d\BoBZArNhosP.FEQ
  • %User Profile%\ylev9tu58w3t7d\EHigrd.JSG

(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

Other Details

This spyware connects to the following possibly malicious URL:

  • http://{BLOCKED}n.{BLOCKED}6.com/index.php?action=add&username=&password=&app=&pcname=WINXP&sitename=