PE_EXPIRO.RAQ


 ALIASES:

Virus:Win32/Expiro.DL (Microsoft); W32.Xpiro.F(Symantec); W32/Expiro.NT!tr(Fortinet); Virus.Win32.Expiro.nt(Kaspersky)

 PLATFORM:

Windows

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

  • Threat Type: File infector

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Infects files

This file infector appends its codes to target files. It infects certain file types by inserting code in the said files.

It modifies the Internet Explorer Zone Settings.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

11 Feb 2015

Arrival Details

This malware arrives via the following means:

  • may arrive in the system when infected files are executed
  • may be downloaded unknowingly when visiting malicious websites

Installation

This file infector adds the following mutexes to ensure that only one of its copies runs at any one time:

  • kkq-vx_mtx1
  • kkq-vx_mtx35
  • gazavat-svc

File Infection

This file infector appends its codes to target files.

It infects files with the following file extensions by inserting code in the said files:

  • .EXE

Web Browser Home Page and Search Page Modification

This file infector modifies the Internet Explorer Zone Settings.

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

11.202.04

FIRST VSAPI PATTERN DATE:

10 Oct 2014

VSAPI OPR PATTERN File:

11.203.00

VSAPI OPR PATTERN Date:

10 Oct 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

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

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


Did this description help? Tell us how we did.