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TROJ_SWRORT.DQ

November 29, 2013
 Analysis by: Anthony Joe Melgarejo
 ALIASES:

Trojan:Win32/Swrort.A (Microsoft), Swrort.i (McAfee), Trojan.Win32.Swrort.B (v) (Sunbelt), W32/Swrort.A.gen!Eldorado (Authentium), W32/Swrort.C!tr (Fortinet), Trojan.Win32.Swrort (Ikarus), a variant of Win32/Rozena.AQ trojan (ESET)

 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: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Trojan may arrive bundled with malware packages as a malware component.

  TECHNICAL DETAILS

File Size:

73,802 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

27 Nov 2013

Arrival Details

This Trojan may arrive bundled with malware packages as a malware component.

Installation

This Trojan drops the following files:

  • %User Temp%\backup.exe

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

Other Details

This Trojan requires the following additional components to properly run:

  • data.bin

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

10.438.07

FIRST VSAPI PATTERN DATE:

27 Nov 2013

VSAPI OPR PATTERN File:

10.439.00

VSAPI OPR PATTERN Date:

27 Nov 2013

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.  
  • %User Temp%\backup.exe
  • data.bin

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_SWRORT.DQ. 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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