PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • 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

Tipo de compactação: 135,168 bytes
Tipo de arquivo: EXE
Residente na memória: No
Data de recebimento das amostras iniciais: 22 Nov 2013

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.

Dropping Routine

This Trojan drops the following files:

  • %Windows%\Tasks\nmkzn.job

(Note: %Windows% is the Windows folder, which is usually C:\Windows.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}k.biz/27/860.html
  • http://{BLOCKED}k.biz/591/804.html
  • http://{BLOCKED}wpr3n.com/662/764.html
  • http://{BLOCKED}93sdc.net/919/834.html
  • http://{BLOCKED}k.biz/446/359.html
  • http://{BLOCKED}k.biz/284/992.html
  • http://{BLOCKED}wpr3n.com/604/252.html
  • http://{BLOCKED}93sdc.net/105/328.html
  • http://{BLOCKED}k.biz/238/689.html
  • http://{BLOCKED}k.biz/969/855.html
  • http://{BLOCKED}wpr3n.com/515/641.html
  • http://{BLOCKED}93sdc.net/800/388.html
  • http://{BLOCKED}k.biz/311/252.html
  • http://{BLOCKED}k.biz/201/596.html
  • http://{BLOCKED}wpr3n.com/340/735.html
  • http://{BLOCKED}93sdc.net/663/180.html
  • http://{BLOCKED}k.biz/738/445.html
  • http://{BLOCKED}k.biz/183/255.html
  • http://{BLOCKED}wpr3n.com/920/982.html
  • http://{BLOCKED}93sdc.net/989/593.html
  • http://{BLOCKED}k.biz/435/72.html
  • http://{BLOCKED}k.biz/767/106.html
  • http://{BLOCKED}wpr3n.com/566/507.html
  • http://{BLOCKED}93sdc.net/528/415.html
  • http://{BLOCKED}k.biz/635/81.html
  • http://{BLOCKED}k.biz/389/917.html
  • http://{BLOCKED}wpr3n.com/433/782.html
  • http://{BLOCKED}93sdc.net/229/455.html
  • http://{BLOCKED}k.biz/919/172.html
  • http://{BLOCKED}k.biz/796/235.html
  • http://{BLOCKED}wpr3n.com/279/10.html
  • http://{BLOCKED}93sdc.net/793/144.html
  • http://{BLOCKED}k.biz/647/334.html
  • http://{BLOCKED}k.biz/409/227.html
  • http://{BLOCKED}wpr3n.com/804/296.html
  • http://{BLOCKED}93sdc.net/3/682.html
  • http://{BLOCKED}k.biz/255/961.html
  • http://{BLOCKED}k.biz/470/376.html
  • http://{BLOCKED}wpr3n.com/293/917.html
  • http://{BLOCKED}93sdc.net/303/762.html
  • http://{BLOCKED}k.biz/505/197.html
  • http://{BLOCKED}k.biz/672/833.html
  • http://{BLOCKED}wpr3n.com/917/679.html
  • http://{BLOCKED}93sdc.net/253/377.html
  • http://{BLOCKED}k.biz/42/465.html
  • http://{BLOCKED}k.biz/656/74.html
  • http://{BLOCKED}wpr3n.com/108/388.html
  • http://{BLOCKED}93sdc.net/832/109.html
  • http://{BLOCKED}k.biz/369/942.html
  • http://{BLOCKED}k.biz/301/513.html
  • http://{BLOCKED}wpr3n.com/738/931.html
  • http://{BLOCKED}93sdc.net/88/678.html
  • http://{BLOCKED}k.biz/763/885.html
  • http://{BLOCKED}k.biz/785/281.html
  • http://{BLOCKED}wpr3n.com/464/937.html

This report is generated via an automated analysis system.

  SOLUTION

Mecanismo de varredura mínima: 9.300

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Search and delete this file

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %Windows%\Tasks\nmkzn.job

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_VUNDO.GHM. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


Did this description help? Tell us how we did.