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PE_ROSEC.A

June 18, 2013
 ALIASES:

Virus:Win32/Sality.F (Microsoft); W32/Sality.f (McAfee); W32.Sality (Symantec); Virus.Win32.Sality.e (Kaspersky); Virus.Win32.Sality.af (v) (Sunbelt); Win32/Sality.E (AVG)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:

  • Threat Type: File infector

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This file infector 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:

122,520 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

08 Jun 2013

Arrival Details

This file infector 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 file infector drops the following copies of itself into the affected system:

  • %System Root%\34004A007E065A51BFBB200862481EFD7A7A3~01

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

Other System Modifications

This file infector deletes the following files:

  • %System Root%\34004A007E065A51BFBB200862481EFD7A7A3~01
  • %System Root%\KAA

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.300

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 clean files detected as PE_ROSEC.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.

Step 3

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • %System Root%\34004A007E065A51BFBB200862481EFD7A7A3~01
  • %System Root%\KAA


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