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TROJ_DROPPR.OGM

October 14, 2013
 ALIASES:

TrojanDropper:Win32/Farfli.E(Microsoft), Trojan-Dropper.Win32.Small.axx(Kaspersky),Dropper.Generic.BVRA(AVG)

 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: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware

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

File Size:

415,240 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

09 Oct 2013

Payload:

Drops files

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.

Installation

This Trojan drops and executes the following files:

  • %Temp%\temp1.exe – detected as TROJ_DROPPR.PIE
  • %Temp%\temp2.exe – detected as TROJ_FARDAM.SM

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

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

10.334.01

FIRST VSAPI PATTERN DATE:

11 Oct 2013

VSAPI OPR PATTERN File:

10.335.00

VSAPI OPR PATTERN Date:

12 Oct 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

Remove malware/grayware files dropped/downloaded by TROJ_DROPPR.OGM

    • TROJ_DROPPR.PIE
    • TROJ_FARDAM.SM

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_DROPPR.OGM. 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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