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INF_AMITIS.A

January 17, 2017
 ALIASES:

INF/Autorun (ESET-NOD32); Worm.INF.Autorun (Ikarus)

 PLATFORM:

Windows

 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 be dropped by other malware.

It automatically executes files when a user opens a drive.

  TECHNICAL DETAILS

File Size:

122 bytes

File Type:

INF

Memory Resident:

No

Initial Samples Received Date:

22 Dec 2011

Arrival Details

This Trojan may be dropped by the following malware:

  • WORM_AMITIS.A

Propagation

The said .INF file contains the following strings:

[autorun]
open=.\recycled\info.exe
shell\1=
shell\1\Command=.\recycled\info.exe
shellexecute=.\recycled\info.exe


Other Details

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

  • {drive letter}:\recycled\info.exe

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

13.126.05

FIRST VSAPI PATTERN DATE:

30 Dec 2016

VSAPI OPR PATTERN File:

13.127.00

VSAPI OPR PATTERN Date:

31 Dec 2016

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 INF_AMITIS.A. (Note: Please skip this step if the threat(s) listed below have already been removed.)

Step 3

Search and delete AUTORUN.INF files created by INF_AMITIS.A that contain these strings

[ Learn More ]
  • [autorun]
    open=.\recycled\info.exe
    shell\1=
    shell\1\Command=.\recycled\info.exe
    shellexecute=.\recycled\info.exe

Step 4

Scan your computer with your Trend Micro product to delete files detected as INF_AMITIS.A. 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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