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INF_AUTORUN.AM

November 14, 2014
 ALIASES:

P2P-Worm.Win32.Palevo.jwq(Microsoft), Worm:Win32/Rimecud!inf(Microsoft), INF.Autorun (v)(Sunbelt), a variant of Generik.JXEZELT trojan(Eset)

 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.

It automatically executes files when a user opens a drive.

  TECHNICAL DETAILS

File Size:

339 bytes

File Type:

INF

Memory Resident:

No

Initial Samples Received Date:

13 Nov 2014

Payload:

Executes files

Arrival Details

This Trojan may be dropped by other malware.

Propagation

The said .INF file contains the following strings:

autorun]
[autorun[
autorun[
[autorun
:jle7
open=OPOP\severina.exe
:call
icon=%SystemRoot%\system32\SHELL32.dll,4
:jne1
action=Open folder to view files using Windows Explorer
:jle7
shell\\\open\\command=OPOP/////\\severina.exe
:jmp8
shell\explore\command=.////OPOP/\\severina.exe
useautoplay=1
[AutoRun]
:GOTO NUL

Other Details

This Trojan automatically executes the following files when a user opens a drive:

  • {drive}:\OPOP\severina.exe

  SOLUTION

Minimum Scan Engine:

9.700

VSAPI OPR PATTERN File:

11.275.00

VSAPI OPR PATTERN Date:

14 Nov 2014

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

Scan your computer with your Trend Micro product to delete files detected as INF_AUTORUN.AM. 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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