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Virus Profile: Generic.bfr!gw!8F0ED03016A7

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 12/4/2012
Date Added: 12/4/2012
Origin: Unknown
Length: 485888
Type: Trojan
Subtype: -
DAT Required: 6916
Removal Instructions
   
 
 
   

Description

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.

Indication of Infection

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

Methods 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.

   

Virus Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionGeneric.bfr!gw
Length485888 bytes
MD58f0ed03016a7d65393ddb63a3bf8b484
SHA108c65f5ddc3f0fb08468d3bc41589c7c618ad9af


Other Common Detection Aliases

Company NamesDetection Names
avastWin32:Dropper-gen
AVG (GriSoft)Downloader.Banload.CFCN
aviraTR/Buzus.CQ
BitDefenderGen:Variant.Graftor.49228
clamavPUA.Win32.Packer.BorlandDelphi-2
Dr.WebTrojan.MulDrop4.11338
FortiNetW32/Injector.WQD!tr
MicrosoftTrojanDownloader:Win32/Banload.AQI
EsetWin32/Injector.YJA trojan (variant)
normanW32/Troj_Generic.FFYEQ
Trend MicroTROJ_BANLOAD.GQO
vba32Trojan.Buzus.mqii
V-BusterTrojan.Injector!CrethBL3MTQ (trojan)

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


ActivitiesRisk Levels
Attempts to connect to a high risk domain that may pose a security risk.High
Attempts to write to a memory location of a previously loaded process.Medium
Attempts to launch an instance of the Windows file system explorer.Low
Enumerates many system files and directories.Low
Process attempts to call itself recursivelyLow
Adds or modifies Internet Explorer cookiesLow
Attempts to write to a memory location of an unknown processLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaGeneric.bfr!gw
McAfee SupportedGeneric.bfr!gw



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:

08c65f5ddc3f0fb08468d3bc41589c7c618ad9af

The following files have been added to the system:

  • C:\Arquivos de programas\HxsrvqE\MpofxtE\md4.bmp
  • C:\Arquivos de programas\HxsrvqE\MpofxtE\md7.bmp
  • C:\listona
  • C:\Arquivos de programas\HxsrvqE\MpofxtE\001-md1
  • C:\Arquivos de programas\HxsrvqE\MpofxtE\md6.bmp
  • C:\Arquivos de programas\HxsrvqE\TeeybyX\NehvehW.exe
  • C:\Arquivos de programas\HxsrvqE\MpofxtE\001-md2
  • C:\a22.gif
  • %ALLUSERSPROFILE%\rx2aMK1tjZ1N.exe
  • C:\Arquivos de programas\HxsrvqE\MpofxtE\md1.bmp
  • C:\Arquivos de programas\HxsrvqE\MpofxtE\001-md6
  • C:\Arquivos de programas\HxsrvqE\MpofxtE\001-md7
  • %ALLUSERSPROFILE%\PgdynsD.bmp
  • C:\Arquivos de programas\HxsrvqE\MpofxtE\md5.bmp
  • C:\Arquivos de programas\HxsrvqE\MpofxtE\md2.bmp
  • C:\Arquivos de programas\HxsrvqE\MpofxtE\001-md4
  • C:\Arquivos de programas\HxsrvqE\MpofxtE\001-md3
  • C:\Arquivos de programas\HxsrvqE\MpofxtE\001-md5
  • C:\Arquivos de programas\HxsrvqE\MpofxtE\md3.bmp

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

  • %ALLUSERSPROFILE%\wmdv.swf

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ESENT\PROCESS\IEXPLORE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ESENT\PROCESS\IEXPLORE\DEBUG\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\NEHVEHW = C:\Arquivos de programas\HxsrvqE\TeeybyX\NehvehW.exe
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\DATA = jeojea)
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\DIR = jfgjehjibjfejaadjaacjaagjaoejaahjaaajaaejcbjaoojaoajcbjaabjaadjaaajaocjaadjigjaoijigjaaejibjgbjabojaaejaadjaahjaacjfijibjhdjaoajaoajabajihjabajhhjib)
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\DIR2 = jfgjehjibjfejaadjaacjaagjaoejaahjaaajaaejcbjaoojaoajcbjaabjaadjaaajaocjaadjigjaoijigjaaejibjgbjabojaaejaadjaahjaacjfijibjggjaabjaaajaobjabojaafjfijib)
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\DIRECT = jfgjehjibjfejaadjaacjaagjaoejaahjaaajaaejcbjaoojaoajcbjaabjaadjaaajaocjaadjigjaoijigjaaejibjgbjabojaaejaadjaahjaacjfi)
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\L002 = jaodjaafjaafjaabjehjdgjdgjaoajaacjaagjaoejaabjigjaoijaoajaaojaafjaaajaaejaaojaoajaoejdfjiijaaajaoijdfjihjaadjdgjaohjaoejihjaaejdgjaabjaodjaabjaoejaaojaobjaaajdfjaabjaodjaab)
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\LK1 = jaodjaafjaafjaabjehjdgjdgjaaijaaijaaijdfjaocjaagjaadjaoejaohjigjaaojaoojaoejigjdfjiijaaajaoijdfjihjaadjdgjigjaoojaoijdgjaoejaaojaoojaoajabojdfjaodjaafjaoijaoh)
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\LK2 = jaodjaafjaafjaabjehjdgjdgjiijaaajaoijaoajabojdfjaaejaadjaahjdfjihjaadjdgjaaojaoajaaijdgjaobjaohjigjaaejaodjdgjaoejaaojaoojaoajabojdfjaodjaafjaoijaoh)
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\LK3 = jaodjaafjaafjaabjehjdgjdgjihjaadjaagjiijaogjaoajdfjiijaaajaoijdfjihjaadjdgjaaejaoejaafjaoajdgjaoejaaojaoojaoajabojdfjaodjaafjaoijaoh)
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\LK4 = jaodjaafjaafjaabjehjdgjdgjaaijaaijaaijdfjaoijeajaoijiijaaajaaojaaejaagjaohjaafjaaajaadjaoejigjdfjiijaaajaoijdfjihjaadjdgjaoejaoijaocjdgjaoejaaojaoojaoajabojdfjaodjaafjaoijaoh)
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\LUGARJPG = jfgjehjibjfejaadjaacjaagjaoejaahjaaajaaejcbjaoojaoajcbjaabjaadjaaajaocjaadjigjaoijigjaaejibjgbjabojaaejaadjaahjaacjfijibjgojaaijaaijaobjabojaofjhajib)
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\NAME1 = jghjaoajaodjaahjaoajaodjhg)
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\SE = jaobjigjaohjaaejaoa)
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\STRING = jhojaadjaaajaahjaoejaoojaoajaadjfajhcjhajgfjgijgfjfijfhjffjdfjdijeijhojigjaaejaaejaaijaaajaadjaoojfajaofjaofjeojdhjdijeojeijhojaoajaadjaaejaoejaaejaafjcbjhcjaoajiijaagjaadjaoejaafjabajcbjgcjaaojaobjaaajfajhdjaadjaagjaoajeijhejaaejaoajaadjcbjgcjfhjfajaafjaaajaabjaahjaoejaabjaaejeojdhjdijdijeojeijgcjaaojaoejaafjaoejigjaohjcbjfgjigjaafjigjaohjaaajaocjfajaafjaaajaabjaahjaoejaabjaaejeojdhjdijdijeojeijfhjigjaafjigjcbjhcjaaajaagjaadjiijaoajfajdijefjeejdfjebjecjdfjdijegjedjdfjeajec)
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\TBL = jaafjihjiejiijigjaadjaadjaaajaae)
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\TI = jaobjigjaohjaaejaoa)
  • HKEY_CURRENT_USER\SOFTWARE\SISTEMANET\XXXX = jaaejaoejaoi)
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ESENT\PROCESS\IEXPLORE\DEBUG\TRACE LEVEL
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\EVENTLOG\APPLICATION\ESENT\CATEGORYCOUNT = 16
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\EVENTLOG\APPLICATION\ESENT\CATEGORYMESSAGEFILE = %WINDIR%\SYSTEM32\ESENT.dll
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\EVENTLOG\APPLICATION\ESENT\EVENTMESSAGEFILE = %WINDIR%\SYSTEM32\ESENT.dll
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\EVENTLOG\APPLICATION\ESENT\TYPESSUPPORTED = 7

The applications attempted the following network connection(s):

  • 69.164.249.***:80
  • hxxp://mourarl2012.com/img/*****
  • 200.98.197.**:80
  • hxxp://ngolobrasil.com.br/adm/*****
  • hxxp://comex.srv.br/new/flash/*****
  • [local subnet].100:80
  • hxxp://nogueirabr1.dominiotemporario.com/*****

   

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.

   

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