Generic.tfr!A59DAC662​629

This page shows details and results of our analysis on the malware Generic.tfr!A59DAC662629

Overview

This is a Trojan detection. Unlike viruses, Trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include e-mail, malicious or hacked Web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.


Minimum DAT

7060 (2013-04-29)

Updated DAT

7060 (2013-04-29)

Minimum Engine

5400.1158

File Length

161496

Description Added

2013-04-29

Description Modified

2013-04-29

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionGeneric.tfr
Length161496 bytes
MD5a59dac6626292e8bb7b31a70bc1ec78a
SHA1eab6cc67781bd16c1148f8f323c7a00a1719e5c5


Other Common Detection Aliases

Company NamesDetection Names
Dr.WebAdware.Downware.1125
FortiNetRiskware/Solimba

Other brands and names may be claimed as the property of others.


ActivitiesRisk Levels
Attempts to launch an instance of Internet Explorer.Low
Enumerates many system files and directories.Low
Adds or modifies Internet Explorer cookiesLow


McAfee ScansScan Detections
McAfee BetaGeneric.tfr
McAfee SupportedGeneric.tfr



System Changes

Some path values have been replaced with environment variables as the exact location may vary with different configurations.
e.g.
%WINDIR% = \WINDOWS (Windows 9x/ME/XP/Vista/7), \WINNT (Windows NT/2000)
%PROGRAMFILES% = \Program Files


The following files were analyzed:

EAB6CC67781BD16C1148F8F323C7A00A1719E5C5

The following files have been added to the system:

  • %TEMP%\nsc11.tmp

The following files were temporarily written to disk then later removed:

  • %TEMP%\nsx10.tmp

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MAIN\FULLSCREEN = no
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MAIN\WINDOW_PLACEMENT = [binary data]
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\TOOLBAR\LOCKED = 1

The applications attempted the following network connection(s):

  • hxxp://api.downloadmr.com/installer/5081cc02-7e60-458b-9704-3d9e5bc06f2f/4987038/****
  • hxxp://www.avs4you.com/*****
  • 54.240.188.***:80

Symptoms

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

Method of Infection

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, e-mail, etc.

Removal

All Users:

Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

1.Disable System Restore .

2.Update to current engine and DAT files for detection and removal.

3.Run a complete system scan.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

1. Please go to the Microsoft Recovery Console and restore a clean MBR.

On windows XP:

Insert the Windows XP CD into the CD-ROM drive and restart the computer.
When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
Select the Windows installation that is compromised and provide the administrator password
Issue 'fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.


On Windows Vista and 7:

Insert the Windows CD into the CD-ROM drive and restart the computer.
Click on "Repair Your Computer"
When the System Recovery Options dialog comes up, choose the Command Prompt.
Issue 'bootrec /fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.

Variants