LNK_MOZGOO.SM

August 29, 2015
 Analysis by: Miguel Carlo Ang
 Modified by: Anthony Joe Melgarejo
 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware

This Trojan may be dropped by other malware.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

LNK

Memory Resident:

No

Initial Samples Received Date:

25 Apr 2015

Arrival Details

This Trojan may be dropped by the following malware:

  • WORM_MOZGOO.C

NOTES:

These shorcut files (.lnk) executes any of the following commands:

  • C:\GoogleChrome\GoogleChrome.exe /AutoIt3ExecuteScript C:\GoogleChrome\GoogleChrome.a3x
  • C:\WINDOWS\system32\cmd.exe /c start C:\GoogleChrome\GoogleChrome.exe C:\GoogleChrome\GoogleChrome.a3x & exit
  • C:\WINDOWS\system32\cmd.exe /c start ..\MozillaFirefox\GoogleChrome.exe /AutoIt3ExecuteScript ..\MozillaFirefox\GoogleChrome.a3x explorer ChrW(41-4) & ChrW(67) & String( ChrW(92-24) ) & ChrW(66-29) & exit

These commands will execute WORM_MOZGOO.C.

  SOLUTION

Minimum Scan Engine:

9.750

FIRST VSAPI PATTERN FILE:

11.632.05

FIRST VSAPI PATTERN DATE:

27 Apr 2015

VSAPI OPR PATTERN File:

11.633.00

VSAPI OPR PATTERN Date:

28 Apr 2015

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

Remove the malware/grayware file that dropped/downloaded LNK_MOZGOO.SM. (Note: Please skip this step if the threat(s) listed below have already been removed.)

     
    • WORM_MOZGOO.C

Step 3

Scan your computer with your Trend Micro product to delete files detected as LNK_MOZGOO.SM. 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.


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