Virus Profile: W32/Expiro.gen.h!4D28A7C3A074

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 3/26/2013
Date Added: 3/27/2013
Origin: Unknown
Length: 161792
Type: Virus
Subtype: Win32
DAT Required: 7025
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
Length161792 bytes
MD54d28a7c3a0740e7c5245ca145d97d940
SHA186d93c8332590388ed7172252dc2201c589c4100


Other Common Detection Aliases

Company NamesDetection Names
ahnlabWin32/Expiro.B
AVG (GriSoft)Win32/Expiro
aviraW32/Expiro.E
KasperskyVirus.Win32.Expiro.w
Dr.WebWin32.Expiro.23
FortiNetW32/Expiro.W
MicrosoftVirus:Win32/Expiro.S
SymantecW32.Xpiro.D
normanW32/Expiro_gen.A
SophosW32/Expiro-H
vba32Virus.Win32.Expiro.SEP.4

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
Adds or modifies Internet Explorer cookiesLow
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:

86D93C8332590388ED7172252DC2201C589C4100

The following files have been added to the system:

  • %WINDIR%\SYSTEM32\narrator.exe
  • %PROGRAMFILES%\msn\msncorefiles\msn6.exe
  • %WINDIR%\SYSTEM32\rcimlby.exe
  • %WINDIR%\SYSTEM32\locator.exe
  • %WINDIR%\SYSTEM32\odbcad32.exe
  • %WINDIR%\SYSTEM32\clipsrv.exe
  • %PROGRAMFILES%\windows nt\accessories\wordpad.exe
  • %WINDIR%\SYSTEM32\imapi.exe
  • %WINDIR%\SYSTEM32\ups.exe
  • %WINDIR%\SYSTEM32\smlogsvc.exe
  • %WINDIR%\SYSTEM32\scardsvr.exe
  • %WINDIR%\SYSTEM32\winmine.exe
  • %WINDIR%\SYSTEM32\alg.exe
  • %WINDIR%\SYSTEM32\accwiz.exe
  • %WINDIR%\SYSTEM32\utilman.exe
  • %PROGRAMFILES%\winrar\winrar.exe
  • %WINDIR%\SYSTEM32\mstsc.exe
  • %WINDIR%\SYSTEM32\vssvc.exe
  • %USERPROFILE%\Local Settings\Application Data\wsr18zt32.dll
  • %WINDIR%\SYSTEM32\tourstart.exe
  • %WINDIR%\SYSTEM32\cleanmgr.exe
  • %PROGRAMFILES%\windows nt\pinball\pinball.exe
  • %PROGRAMFILES%\windows media player\wmplayer.exe
  • %WINDIR%\SYSTEM32\notepad.exe
  • %WINDIR%\SYSTEM32\restore\rstrui.exe
  • %WINDIR%\SYSTEM32\ntbackup.exe
  • %WINDIR%\SYSTEM32\spider.exe
  • %WINDIR%\SYSTEM32\mobsync.exe
  • %WINDIR%\SYSTEM32\osk.exe
  • %WINDIR%\SYSTEM32\rsvp.exe
  • %COMMONPROGRAMFILES%\microsoft shared\speech\sapisvr.exe
  • %WINDIR%\SYSTEM32\mshearts.exe
  • %PROGRAMFILES%\windows nt\hypertrm.exe
  • %PROGRAMFILES%\outlook express\msimn.exe
  • %APPDATA%\Microsoft\Speech\Files\UserLexicons\SP_2AD6BC18AD7C4C7AA6A731D20DB004F8.dat
  • %WINDIR%\SYSTEM32\msdtc.exe
  • %WINDIR%\SYSTEM32\usmt\migwiz.exe
  • %WINDIR%\SYSTEM32\magnify.exe
  • %PROGRAMFILES%\movie maker\moviemk.exe
  • %WINDIR%\SYSTEM32\sessmgr.exe
  • %WINDIR%\SYSTEM32\mspaint.exe
  • %WINDIR%\SYSTEM32\freecell.exe
  • c:\Users exe File.exe
  • %WINDIR%\SYSTEM32\dllhost.exe
  • %WINDIR%\SYSTEM32\calc.exe
  • %WINDIR%\SYSTEM32\wupdmgr.exe
  • %WINDIR%\SYSTEM32\sndrec32.exe
  • %COMMONPROGRAMFILES%\microsoft shared\msinfo\msinfo32.exe
  • %WINDIR%\SYSTEM32\mnmsrvc.exe
  • %WINDIR%\SYSTEM32\charmap.exe
  • %WINDIR%\SYSTEM32\sndvol32.exe
  • %WINDIR%\SYSTEM32\tlntsvr.exe
  • c:\Users exe File.exe
  • %PROGRAMFILES%\outlook express\wab.exe
  • %WINDIR%\SYSTEM32\cisvc.exe
  • %WINDIR%\SYSTEM32\sol.exe
  • %WINDIR%\SYSTEM32\wbem\wmiapsrv.exe

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

  • %WINDIR%\SYSTEM32\scardsvr.vir
  • C:\poweroff.vir
  • %WINDIR%\SYSTEM32\msiexec.vir
  • %PROGRAMFILES%\Outlook Express\wab.vir
  • %WINDIR%\SYSTEM32\winmine.vir
  • %WINDIR%\SYSTEM32\vssvc.vir
  • %WINDIR%\SYSTEM32\tourstart.vir
  • %WINDIR%\SYSTEM32\imapi.vir
  • C:\listdlls.vir
  • %PROGRAMFILES%\Windows NT\hypertrm.vir
  • C:\NOTEPAD.vir
  • %WINDIR%\SYSTEM32\tlntsvr.vir
  • %WINDIR%\SYSTEM32\dllhost.vir
  • %WINDIR%\SYSTEM32\wupdmgr.vir
  • C:\netstatp.vir
  • %WINDIR%\SYSTEM32\magnify.vir
  • %WINDIR%\SYSTEM32\sndvol32.vir
  • %WINDIR%\SYSTEM32\osk.vir
  • %WINDIR%\SYSTEM32\locator.vir
  • %WINDIR%\SYSTEM32\freecell.vir
  • %WINDIR%\SYSTEM32\cleanmgr.vir
  • %PROGRAMFILES%\WinRAR\WinRAR.vir
  • %PROGRAMFILES%\Windows NT\Accessories\wordpad.vir
  • %WINDIR%\SYSTEM32\odbcad32.vir
  • %WINDIR%\SYSTEM32\notepad.vir
  • %WINDIR%\SYSTEM32\Restore\rstrui.vir
  • %WINDIR%\SYSTEM32\clipsrv.vir
  • %WINDIR%\SYSTEM32\sndrec32.vir
  • %WINDIR%\SYSTEM32\ntbackup.vir
  • %WINDIR%\SYSTEM32\usmt\migwiz.vir
  • %WINDIR%\SYSTEM32\mnmsrvc.vir
  • %COMMONPROGRAMFILES%\Microsoft Shared\MSInfo\msinfo32.vir
  • %WINDIR%\SYSTEM32\sol.vir
  • %WINDIR%\SYSTEM32\mstsc.vir
  • %WINDIR%\SYSTEM32\charmap.vir
  • C:\CALC.vir
  • %COMMONPROGRAMFILES%\Microsoft Shared\Speech\sapisvr.vir
  • %WINDIR%\SYSTEM32\msdtc.vir
  • %WINDIR%\SYSTEM32\dmadmin.vir
  • %WINDIR%\SYSTEM32\mshearts.vir
  • %PROGRAMFILES%\Movie Maker\moviemk.vir
  • %WINDIR%\SYSTEM32\spider.vir
  • %WINDIR%\SYSTEM32\ups.vir
  • %PROGRAMFILES%\Windows Media Player\wmplayer.vir
  • %PROGRAMFILES%\Windows NT\Pinball\PINBALL.vir
  • %WINDIR%\SYSTEM32\sessmgr.vir
  • %WINDIR%\SYSTEM32\mspaint.vir
  • %WINDIR%\SYSTEM32\rcimlby.vir
  • %WINDIR%\SYSTEM32\mobsync.vir
  • %WINDIR%\SYSTEM32\cisvc.vir
  • %WINDIR%\SYSTEM32\wbem\wmiapsrv.vir
  • %WINDIR%\SYSTEM32\accwiz.vir
  • %WINDIR%\SYSTEM32\utilman.vir
  • %PROGRAMFILES%\Outlook Express\msimn.vir
  • %WINDIR%\SYSTEM32\calc.vir
  • %WINDIR%\SYSTEM32\narrator.vir
  • %WINDIR%\SYSTEM32\alg.vir
  • %PROGRAMFILES%\MSN\MSNCoreFiles\msn6.vir
  • %WINDIR%\SYSTEM32\rsvp.vir
  • %WINDIR%\SYSTEM32\smlogsvc.vir

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\NARRATOR\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SPEECH\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SPEECH\APPLEXICONS\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SPEECH\AUDIOOUTPUT\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SPEECH\CURRENTUSERLEXICON\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SPEECH\CURRENTUSERLEXICON\{C9E37C15-DF92-4727-85D6-72E5EEB6995A}\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SPEECH\CURRENTUSERLEXICON\{C9E37C15-DF92-4727-85D6-72E5EEB6995A}\FILES\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SPEECH\CURRENTUSERLEXICON\APPLEXICONS\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SPEECH\PHONECONVERTERS\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SPEECH\VOICES\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\CLIPBOOK SERVER\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\CONFERENCING\MCPT\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\CONTROL PANEL\ACCESSIBILITY\BLIND ACCESS\ON = 49
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SPEECH\CURRENTUSERLEXICON\CLSID = {C9E37C15-DF92-4727-85D6-72E5EEB6995A}
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SPEECH\CURRENTUSERLEXICON\FLUSHRATE = 10
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SPEECH\CURRENTUSERLEXICON\{C9E37C15-DF92-4727-85D6-72E5EEB6995A}\FILES\DATAFILE = %1a%\Microsoft\Speech\Files\UserLexicons\SP_2AD6BC18AD7C4C7AA6A731D20DB004F8.dat
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SPEECH\PHONECONVERTERS\DEFAULTTOKENID = HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Speech\PhoneConverters\Tokens\English
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SPEECH\VOICES\DEFAULTTOKENID = HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Speech\Voices\Tokens\MSSam
  • 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

   

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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