Generic Dropper!BF27FE345ED7

This page shows details and results of our analysis on the malware Generic Dropper!BF27FE345ED7

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

7458 (2014-06-03)

Updated DAT

7458 (2014-06-03)

Minimum Engine

5600.1067

File Length

83530

Description Added

2014-06-04

Description Modified

2014-06-04

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionGeneric Dropper
Length83530 bytes
MD5bf27fe345ed7332e33ff4223810c89f6
SHA1a3ac701384822806083992ab49de4e4a29697e40


Other Common Detection Aliases

Company NamesDetection Names
avastWin32:Malware-gen
AVG (GriSoft)MSIL3.BHOQ (Trojan horse)
aviraTR/Dropper.Gen
KasperskyTrojan-Dropper.Win32.FrauDrop.aeoft
BitDefenderTrojan.GenericKD.1694860
FortiNetMSIL/Agent.VH!tr
MicrosoftBackdoor:MSIL/Bladabindi
SymantecSuspicious.Cloud.2
EsetMSIL/TrojanDropper.Agent.VH trojan
normanTroj_Generic.UBYIC
pandaTrj/OCJ.E
SophosMal/Generic-S
Trend MicroTROJ_GEN.R0CBC0DER14
V-BusterTrojanSpy.KeyLogger!7EROIMIeRSo (trojan)

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


ActivitiesRisk Levels
Enumerates many system files and directories.Low
Process attempts to call itself recursivelyLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaGeneric Dropper
McAfee SupportedGeneric Dropper



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:

A3AC701384822806083992AB49DE4E4A29697E40

The following files have been added to the system:

  • %USERPROFILE%\Start Menu\Programs\Startup\829e733c25619e092336e24d25ce3181.exe
  • %TEMP%\480510.exe
  • %USERPROFILE%\Local Settings\Application Data\GDIPFONTCACHEV1.DAT
  • %APPDATA%\explorer.exe

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\829E733C25619E092336E24D25CE3181\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\DI = 33
  • HKEY_CURRENT_USER\ENVIRONMENT\SEE_MASK_NOZONECHECKS = 49
  • HKEY_CURRENT_USER\SOFTWARE\829E733C25619E092336E24D25CE3181\[KL]
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\829E733C25619E092336E24D25CE3181 = "%APPDATA%\explorer.exe" ..
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\829E733C25619E092336E24D25CE3181 = "%APPDATA%\explorer.exe" ..

The applications attempted the following network connection(s):

  • 95.132.147.**:1604

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

Please use the following instructions for all supported versions of Windows:


1. Disable Windows System Restore. For instructions, please refer to: http://www.mcafee.com/us/downloads/free-tools/disabling-system-restore.aspx

2. Update your McAfee Anti-Virus product to the latest version (when possible), and ensure the latest DAT and Engine and any applicable EXTRA.DATs are installed.

3. Run a full system scan. (On-Demand Scan)

4. Reboot, as soon as it is convenient, to ensure all malicious components are removed.

Variants