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TROJ_JOBPAS.C

October 09, 2012
 ALIASES:

Backdoor.Trojan (Symantec)

 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 may be dropped by other malware.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

DLL

Memory Resident:

No

Initial Samples Received Date:

18 Jan 2012

Arrival Details

This Trojan may be dropped by the following malware:

  • TROJ_JOBPAS.A
  • TROJ_JOBPAS.B

NOTES:

It injects one of the following files to explorer.exe:

  • %Windows%\Tasks\mcxf.dll
  • %Windows%\Tasks\msacm32.dll

The injected files are detected by Trend Micro as BKDR_JOBPAS.A.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

8.716.05

FIRST VSAPI PATTERN DATE:

18 Jan 2012

VSAPI OPR PATTERN File:

8.717.00

VSAPI OPR PATTERN Date:

19 Jan 2012

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Remove malware/grayware files that dropped/downloaded TROJ_JOBPAS.C

Step 3

Remove malware files dropped/downloaded by TROJ_JOBPAS.C

Step 4

Scan your computer with your Trend Micro product and note files detected as TROJ_JOBPAS.C

Step 5

Restart in Safe Mode

[ Learn More ]

Step 6

Search and delete the file detected as TROJ_JOBPAS.C

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files in the search result.

Step 7

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_JOBPAS.C. 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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