Virus Profile: W32/Expiro.gen.h!14B299EA4054

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 4/24/2013
Date Added: 4/24/2013
Origin: Unknown
Length: 296448
Type: Virus
Subtype: Win32
DAT Required: 7054
Removal Instructions
   
 
 
   

Description

Viruses are self-replicating. They are often spread by a network or by transmission to a removable medium such as a removable disk, writable CD, or USB drive. Viruses may also spread by infecting files on a network file system or a file system that is shared by another computer.

Indication of Infection

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

Methods of Infection

Viruses are self-replicating. They are often spread by a network or by transmission to a removable medium such as a removable disk, writable CD, or USB drive. Viruses may also spread by infecting files on a network file system or a file system that is shared by another computer.

   

Virus Characteristics

This is a Virus

File PropertiesProperty Values
McAfee DetectionW32/Expiro.gen.h
Length296448 bytes
MD514b299ea40541c5573e8376c69174c96
SHA1ead4eb92c68befaab769ff25d9353550969fb74b


Other Common Detection Aliases

Company NamesDetection Names
ahnlabWin32/Expiro.Gen
avastWin32:Expiro-AC
AVG (GriSoft)Win32/Expiro.X
aviraW32/Expiro.X Windows
KasperskyVirus.Win32.Expiro.w
BitDefenderWin32.Expiro.Y
clamavW32.Expiro-21
Dr.WebWin32.Expiro.40
F-ProtW32/Expiro.T
FortiNetW32/Expiro.W
MicrosoftVirus:Win32/Expiro.AL
SymantecW32.Xpiro.D
EsetWin32/Expiro.X virus
normanExpiro.AE
pandaW32/Expiro.gen
risingWin32.Expiro.L
SophosW32/Expiro-H
vba32Virus.Expiro.z
V-BusterWin32.Expiro.Gen.4
Vet (Computer Associates)Win32/Expiro.J

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


ActivitiesRisk Levels
Attempts to write file to shared locations.Low
Enumerates many system files and directories.Low
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaW32/Expiro.gen.h
McAfee SupportedW32/Expiro.gen.h



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:

EAD4EB92C68BEFAAB769FF25D9353550969FB74B

The following files have been added to the system:

  • %WINDIR%\SYSTEM32\narrator.exe
  • %COMMONPROGRAMFILES%\Microsoft Shared\Source Engine\OSE.EXE
  • %WINDIR%\SYSTEM32\sndrec32.exe
  • %WINDIR%\SYSTEM32\dmadmin.exe
  • %WINDIR%\SYSTEM32\rcimlby.exe
  • %ALLUSERSPROFILE%\Application Data\ADOBE\READER\9.2\ARM\ARM Update\ReaderUpdater.exe
  • %WINDIR%\SYSTEM32\sndvol32.exe
  • %WINDIR%\SYSTEM32\usmt\migwiz.exe
  • %PROGRAMFILES%\windows media player\wmplayer.exe
  • %PROGRAMFILES%\windows nt\accessories\wordpad.exe
  • %WINDIR%\SYSTEM32\smlogsvc.exe
  • %WINDIR%\SYSTEM32\scardsvr.exe
  • %WINDIR%\SYSTEM32\winmine.exe
  • %WINDIR%\Microsoft.NET\Framework\v2.0.50727\ngen_service.lock
  • %WINDIR%\SYSTEM32\accwiz.exe
  • %WINDIR%\SYSTEM32\utilman.exe
  • %WINDIR%\SYSTEM32\mstsc.exe
  • %ALLUSERSPROFILE%\Application Data\ADOBE\READER\9.2\ARM\ARM Update\AdobeARM.exe
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\AdbeRdr950_en_US.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AcroBroker.exe
  • %PROGRAMFILES%\msn\msncorefiles\msn6.exe
  • %WINDIR%\SYSTEM32\charmap.exe
  • %WINDIR%\SYSTEM32\mobsync.exe
  • %WINDIR%\SYSTEM32\sessmgr.exe
  • %WINDIR%\SYSTEM32\alg.exe
  • %WINDIR%\SYSTEM32\restore\rstrui.exe
  • %WINDIR%\SYSTEM32\ntbackup.exe
  • %WINDIR%\SYSTEM32\freecell.exe
  • %COMMONPROGRAMFILES%\Adobe\Updater6\Adobe_Updater.exe
  • %WINDIR%\SYSTEM32\spider.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AcroRd32Info.exe
  • %WINDIR%\SYSTEM32\msiexec.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\PDFPrevHndlrShim.exe
  • %WINDIR%\SYSTEM32\osk.exe
  • %WINDIR%\SYSTEM32\rsvp.exe
  • %WINDIR%\SYSTEM32\mnmsrvc.exe
  • %WINDIR%\SYSTEM32\wbem\wmiapsrv.exe
  • %ALLUSERSPROFILE%\Application Data\ADOBE\READER\9.2\ARM\ARM Update\AdobeARMHelper.exe
  • %WINDIR%\microsoft.net\framework\v2.0.50727\mscorsvw.exe
  • %WINDIR%\SYSTEM32\mshearts.exe
  • %COMMONPROGRAMFILES%\Adobe\Updater6\AdobeUpdaterInstallMgr.exe
  • %PROGRAMFILES%\outlook express\msimn.exe
  • %WINDIR%\SYSTEM32\msdtc.exe
  • %WINDIR%\microsoft.net\framework\v2.0.50727\aspnet_state.exe
  • %WINDIR%\SYSTEM32\magnify.exe
  • %PROGRAMFILES%\winrar\winrar.exe
  • %PROGRAMFILES%\movie maker\moviemk.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\Eula.exe
  • %WINDIR%\SYSTEM32\odbcad32.exe
  • c:\Users exe File.exe
  • %WINDIR%\Microsoft.NET\Framework\v2.0.50727\ngenservicelock.dat
  • %WINDIR%\SYSTEM32\calc.exe
  • %WINDIR%\SYSTEM32\wupdmgr.exe
  • %COMMONPROGRAMFILES%\microsoft shared\msinfo\msinfo32.exe
  • %WINDIR%\SYSTEM32\vssvc.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-[private subnet]-A92000000001}\Setup.exe
  • %WINDIR%\SYSTEM32\locator.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AcroRd32.exe
  • %WINDIR%\SYSTEM32\tlntsvr.exe
  • %WINDIR%\Microsoft.NET\Framework\v2.0.50727\ngenrootstorelock.dat
  • c:\Users exe File.exe
  • %USERPROFILE%\Local Settings\Application Data\wsr20zt32.dll
  • %ALLUSERSPROFILE%\Application Data\ADOBE\READER\9.2\ARM\ARM Update\AcrobatUpdater.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe
  • %COMMONPROGRAMFILES%\Adobe\ARM\1.0\AdobeARMHelper.exe
  • %WINDIR%\SYSTEM32\cleanmgr.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe
  • %PROGRAMFILES%\outlook express\wab.exe
  • %WINDIR%\SYSTEM32\cisvc.exe
  • %WINDIR%\SYSTEM32\sol.exe
  • %WINDIR%\SYSTEM32\mspaint.exe

The following files have been changed:

  • %WINDIR%\SYSTEM32\netdde.exe
  • %WINDIR%\microsoft.net\framework\v2.0.50727\ngen_service.log

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

  • %WINDIR%\SYSTEM32\scardsvr.vir
  • C:\poweroff.vir
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AcroTextExtractor.vir
  • %PROGRAMFILES%\Outlook Express\wab.vir
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\PDFPrevHndlrShim.vir
  • %WINDIR%\SYSTEM32\winmine.vir
  • %WINDIR%\SYSTEM32\vssvc.vir
  • %WINDIR%\SYSTEM32\imapi.vir
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\AdobeARMHelper.vir
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AcroRd32Info.vir
  • C:\NOTEPAD.vir
  • %WINDIR%\SYSTEM32\tlntsvr.vir
  • %WINDIR%\SYSTEM32\wupdmgr.vir
  • %WINDIR%\SYSTEM32\ntbackup.vir
  • C:\netstatp.vir
  • %WINDIR%\SYSTEM32\accwiz.vir
  • %WINDIR%\Microsoft.NET\framework\v2.0.50727\aspnet_state.vir
  • %WINDIR%\SYSTEM32\magnify.vir
  • %WINDIR%\SYSTEM32\sndvol32.vir
  • %WINDIR%\SYSTEM32\locator.vir
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\Eula.vir
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AcroBroker.vir
  • %WINDIR%\SYSTEM32\cleanmgr.vir
  • %PROGRAMFILES%\WinRAR\WinRAR.vir
  • %PROGRAMFILES%\Windows NT\Accessories\wordpad.vir
  • %WINDIR%\SYSTEM32\odbcad32.vir
  • %COMMONPROGRAMFILES%\Adobe\ARM\1.0\AdobeARMHelper.vir
  • %WINDIR%\SYSTEM32\Restore\rstrui.vir
  • %WINDIR%\SYSTEM32\sndrec32.vir
  • %WINDIR%\SYSTEM32\alg.vir
  • %COMMONPROGRAMFILES%\Adobe\Updater6\AdobeUpdaterInstallMgr.vir
  • %WINDIR%\SYSTEM32\mnmsrvc.vir
  • %COMMONPROGRAMFILES%\Microsoft Shared\MSInfo\msinfo32.vir
  • %WINDIR%\SYSTEM32\sol.vir
  • %WINDIR%\SYSTEM32\mstsc.vir
  • %WINDIR%\SYSTEM32\charmap.vir
  • %PROGRAMFILES%\Movie Maker\moviemk.vir
  • C:\CALC.vir
  • %WINDIR%\SYSTEM32\msdtc.vir
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AdobeCollabSync.vir
  • %COMMONPROGRAMFILES%\Microsoft Shared\Source Engine\ose.vir
  • %WINDIR%\SYSTEM32\dmadmin.vir
  • %WINDIR%\SYSTEM32\mshearts.vir
  • %WINDIR%\SYSTEM32\osk.vir
  • %WINDIR%\SYSTEM32\mobsync.vir
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\AdobeARM.vir
  • %WINDIR%\SYSTEM32\spider.vir
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\AcrobatUpdater.vir
  • %PROGRAMFILES%\Windows Media Player\wmplayer.vir
  • %WINDIR%\SYSTEM32\sessmgr.vir
  • %WINDIR%\SYSTEM32\mspaint.vir
  • %WINDIR%\SYSTEM32\netdde.vir
  • %WINDIR%\Microsoft.NET\framework\v2.0.50727\mscorsvw.vir
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\AdbeRdr950_en_US.vir
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\ReaderUpdater.vir
  • %WINDIR%\SYSTEM32\usmt\migwiz.vir
  • %WINDIR%\SYSTEM32\freecell.vir
  • %WINDIR%\SYSTEM32\cisvc.vir
  • %WINDIR%\SYSTEM32\wbem\wmiapsrv.vir
  • C:\listdlls.vir
  • %WINDIR%\SYSTEM32\utilman.vir
  • %PROGRAMFILES%\Outlook Express\msimn.vir
  • %PROGRAMFILES%\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-[private subnet]-A92000000001}\Setup.vir
  • %WINDIR%\SYSTEM32\calc.vir
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AcroRd32.vir
  • %WINDIR%\SYSTEM32\narrator.vir
  • %WINDIR%\SYSTEM32\rcimlby.vir
  • %COMMONPROGRAMFILES%\Adobe\Updater6\Adobe_Updater.vir
  • %PROGRAMFILES%\MSN\MSNCoreFiles\msn6.vir
  • %WINDIR%\SYSTEM32\rsvp.vir
  • %WINDIR%\SYSTEM32\smlogsvc.vir
  • %WINDIR%\SYSTEM32\msiexec.vir

The following registry elements have been created:

  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\SECURITY CENTER\SVC\S-1-5-21-1482476501-[private subnet]522115-500\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\0\1406 = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\0\1609 = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\0\2103 = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\1\1406 = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\1\1609 = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\1\2103 = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\2\1406 = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\2\1609 = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\2\2103 = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\3\1406 = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\3\1609 = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\3\2103 = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\4\1406 = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\4\1609 = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\ZONES\4\2103 = 0
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\.NETFRAMEWORK\V2.0.50727\NGENSERVICE\STATE\ACCUMULATEDWAITIDLETIME = 0
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\SECURITY CENTER\SVC\S-1-5-21-1482476501-[private subnet]522115-500\ENABLENOTIFICATIONS = 0

   

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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