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PE_GIPPERS.A

October 08, 2015
 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: File infector

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Via physical/removable drives

This file infector arrives via removable drives.

It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.

  TECHNICAL DETAILS

File Size:

5,416,492 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

28 Sep 2015

Arrival Details

This file infector arrives via removable drives.

File Infection

This is the Trend Micro detection for files infected by:

Dropping Routine

This file infector drops the following files:

  • %Temp%\sqlserver.exe - detected as BKDR_GIPPERS.A
  • %System%\dumpkernel.exe - detected as PE_GIPPERS.A-O
  • %Temp%\Server32History.dat - termporary file for decrypted host file, deleted after use
  • %Temp%\tttdelzzz.bat - deletes executed infected file, deletes self after execution
  • %Temp%\tttbrozzz.bat - restores and executes host file, executes %System%\dumpkernel.exe, and deletes self after execution

It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.

  SOLUTION

Minimum Scan Engine:

9.750

FIRST VSAPI PATTERN FILE:

11.964.07

FIRST VSAPI PATTERN DATE:

06 Oct 2015

VSAPI OPR PATTERN File:

11.965.00

VSAPI OPR PATTERN Date:

07 Oct 2015

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

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Remove malware/grayware files dropped/downloaded by PE_GIPPERS.A. (Note: Please skip this step if the threats listed below have already been removed.)

Step 4

Scan your computer with your Trend Micro product to clean files detected as PE_GIPPERS.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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