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ELIRKS

October 28, 2014
 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:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet

ELIRKS also as known as KLURP is a malware family of Trojans that posts messages, which contains the C&C server to PLURK, a social networking and micro-blogging service.

  TECHNICAL DETAILS

Memory Resident:

Yes

Payload:

Connects to URLs/IPs

Autostart Technique

This Trojan modifies the following registry entries to ensure it automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows NT\CurrentVersion\Windows
load = "{malware path}\{malware name}.exe"

(Note: The default value data of the said registry entry is {blank}.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}ngossip.pchome-shop.com/{encrypted IP address}
  • http://{BLOCKED}app.marketddy.com/{encrypted IP Address}
  • http://{BLOCKED}r.henet-web.net/{encrypted IP Address}
  • http://{BLOCKED}.{BLOCKED}.137.242/usr/{encrypted IP Address}
  • http://tw.{BLOCKED}g.yahoo.com/{encrypted IP Address}
  • http://{BLOCKED}.{BLOCKED}.4.221/usr/{encrypted IP Address}
  • http://{BLOCKED}.{BLOCKED}.183.178/usr/{encrypted IP address}
  • http://www.plurk.com/{BLOCKED}85
  • http://www.plurk.com/{BLOCKED}a
  • http://www.plurk.com/{BLOCKED}0
  • http://www.plurk.com/{BLOCKED}114
  • http://www.plurk.com/{BLOCKED}i97
  • http://www.plurk.com/{BLOCKED}6