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Threat Profile: Generic.bfr!3644AA00C41F

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 1/23/2014
Date Added: 1/23/2014
Origin: Unknown
Length: 504224
Type: Program
Subtype: -
DAT Required: 7326
Removal Instructions
   
 
 
   

Description

McAfee Labs&trade recognizes that this program may have legitimate uses in contexts where an authorized administrator has knowingly installed this application. If you agreed to a license agreement for this or another bundled application, you may have legal obligations with regard to removing this software, or to using the host application without this software. Please contact the software vendor for further information.

See http://vil.nai.com/vil/DATReadme.aspx for a list of program detections added to the DATs.

See http://vil.nai.com/vil/pups/configuration.aspx for information about how to enable, disable, and exclude the detection of legitimately installed programs.

This software is not a virus or a Trojan. It is detected as a "potentially unwanted program" (PUP). PUPs are any piece of software that a reasonably security- or privacy-minded computer user may want to be informed of and, in some cases, remove. PUPs are often made by a legitimate corporate entity for some beneficial purpose, but they alter the security state of the computer on which they are installed, or the privacy posture of the user of the system, such that most users will want to be aware of them.

Symptoms

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

Method

This is not a virus or Trojan. PUPs do not "infect" systems. They may be installed by a user individually or possibly as a part of a software package (in a bundle, for example).

   

Virus Characteristics

This software is not a virus or a Trojan. It is detected as a "potentially unwanted program" (PUP). PUPs are any piece of software that a reasonably security- or privacy-minded computer user may want to be informed of and, in some cases, remove. PUPs are often made by a legitimate corporate entity for some beneficial purpose, but they alter the security state of the computer on which they are installed, or the privacy posture of the user of the system, such that most users will want to be aware of them.

File PropertiesProperty Values
McAfee DetectionGeneric.bfr
Length504224 bytes
MD53644aa00c41fbd09e20a0a000568eba4
SHA10d0e8912be099ae53ee3c15608108e2898dbfa26


Other Common Detection Aliases

Company NamesDetection Names
ahnlabAdware/Win32.DirectDownloader
avastWin32:Adware-gen
AVG (GriSoft)AdInstaller.DirectDownloader (Adware)
aviraAdware/Rogue.218624
Kasperskynot-a-virus:AdWare.NSIS.Indirect.a
clamavTrojan.Kazy-237
Dr.WebTrojan.Click2.64262
FortiNetW32/DirectDownloader.E!tr
MicrosoftSoftwareBundler:Win32/DirectDownloader
EsetWin32/DirectDownloader.F application
normangeneric/DirectDownloader.BQZB
risingTrojan.DirectDownloader!49BD
Trend MicroTROJ_DI.B9ADDC64
vba32AdWare.Indirect

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


McAfee ScansScan Detections
McAfee BetaGeneric.bfr
McAfee SupportedGeneric.bfr



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:

0D0E8912BE099AE53EE3C15608108E2898DBFA26

The following files have been added to the system:

  • %TEMP%\f4170009f968e53e64d597df2724d394\downloaderDDLR.exe
  • %TEMP%\f4170009f968e53e64d597df2724d394\downloaderOFFER2.exe
  • %TEMP%\f4170009f968e53e64d597df2724d394\downloaderSTUB.exe
  • %TEMP%\f4170009f968e53e64d597df2724d394\preinstaller.exe
  • %TEMP%\nsr85.tmp\NSISdl.dll
  • %TEMP%\nsy100.tmp\NSISdl.dll
  • %TEMP%\f4170009f968e53e64d597df2724d394\downloaderOFFER0.exe
  • %TEMP%\nsc86.tmp\NSISdl.dll
  • %TEMP%\f4170009f968e53e64d597df2724d394\downloaderOFFER1.exe
  • %TEMP%\nsc65.tmp\NSISdl.dll
  • %TEMP%\nsa7B.tmp\NSISdl.dll
  • %TEMP%\nsv101.tmp\Processes.dll
  • %TEMP%\nsd6A.tmp\NSISdl.dll

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

  • %TEMP%\nsc65.tmp
  • %TEMP%\f4170009f968e53e64d597df2724d394\DirectDownloaderInstaller.exe
  • %TEMP%\f4170009f968e53e64d597df2724d394\optimizer.exe
  • %TEMP%\nsl18.tmp
  • %TEMP%\nsl80.tmp
  • %TEMP%\nsg4B.tmp
  • %TEMP%\f4170009f968e53e64d597df2724d394\BitAcceleratorDDLRinstaller.exe
  • %TEMP%\nsy100.tmp
  • %TEMP%\nsg50.tmp
  • %TEMP%\nsj78.tmp
  • %TEMP%\f4170009f968e53e64d597df2724d394\stub.exe
  • %TEMP%\nslFF.tmp
  • %TEMP%\nsn6C.tmp
  • %TEMP%\f4170009f968e53e64d597df2724d394\updater.exe
  • %TEMP%\nsd6A.tmp
  • %TEMP%\nsv101.tmp
  • %TEMP%\nsa7B.tmp
  • %TEMP%\f4170009f968e53e64d597df2724d394\OpenCL.dll
  • %TEMP%\nsr85.tmp
  • %TEMP%\nsc86.tmp

The following registry elements have been created:

  • HKEY_LOCAL_MACHINE\SOFTWARE\DIRECTDOWNLOADER\
  • HKEY_LOCAL_MACHINE\SOFTWARE\DIRECTDOWNLOADER\OPENBITCOIN2\

The following registry elements have been changed:

  • HKEY_LOCAL_MACHINE\SOFTWARE\DIRECTDOWNLOADER\OPENBITCOIN2\OFFERED = yes

The applications attempted the following network connection(s):

  • 199.58.162.**:80
  • hxxp://www.directdownloader.com/toolbars/*****
  • hxxp://www.directdownloader.com/*****
  • hxxp://www.openbitcoin.org/static/dist/*****

   

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.

   

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