Virus Profile: W32/Expiro!8EE5766A3FB3

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 4/6/2013
Date Added: 4/6/2013
Origin: Unknown
Length: 266752
Type: Virus
Subtype: Win32
DAT Required: 7036
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
Length266752 bytes
MD58ee5766a3fb3ee9718c82784e567fee0
SHA192d4671f2abf659611a9b82d2b78486b38de64b7


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareVirus.Win32.Expiro!IK
avastWin32:Expiro
AVG (GriSoft)Win32/Expiro.O
aviraTR/Crypt.XPACK.Gen
KasperskyVirus.Win32.Expiro.t
BitDefenderWin32.Expiro.R
clamavW32.Expiro-17
Dr.WebWin32.Expiro.19
F-ProtW32/Expiro.D.gen!Eldorado
FortiNetW32/Expiro.T
MicrosoftVirus:Win32/Expiro.gen!E
SymantecW32.Xpiro.B
EsetWin32/Expiro.O virus (variant)
normanXpiro.A
pandaW32/Expiro.gen
risingWin32.Expiro.G
SophosW32/Expiro-I
vba32Virus.Win32.Expiro.t
V-BusterWin32.Expiro.k
Vet (Computer Associates)Win32/Expiro

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
McAfee SupportedW32/Expiro



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:

92D4671F2ABF659611A9B82D2B78486B38DE64B7

The following files have been added to the system:

  • %WINDIR%\SYSTEM32\control.exe
  • %WINDIR%\SYSTEM32\narrator.exe
  • %PROGRAMFILES%\msn\msncorefiles\msn6.exe
  • %WINDIR%\SYSTEM32\sol.exe
  • %PROGRAMFILES%\internet explorer\iexplore.exe
  • %WINDIR%\SYSTEM32\restore\rstrui.exe
  • %USERPROFILE%\Local Settings\Application Data\wsr15zt32.dll
  • %PROGRAMFILES%\windows nt\hypertrm.exe
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\_vti_bin\fpcount.exe
  • %PROGRAMFILES%\windows nt\accessories\wordpad.exe
  • %PROGRAMFILES%\microsoft frontpage\version3.0\bin\fpsrvadm.exe
  • %PROGRAMFILES%\internet explorer\connection wizard\isignup.exe
  • %PROGRAMFILES%\winrar\winrar.exe
  • %WINDIR%\SYSTEM32\mstsc.exe
  • %PROGRAMFILES%\windows nt\pinball\pinball.exe
  • %PROGRAMFILES%\internet explorer\connection wizard\icwtutor.exe
  • %PROGRAMFILES%\internet explorer\connection wizard\icwconn2.exe
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\bin\fpsrvadm.exe
  • %PROGRAMFILES%\internet explorer\connection wizard\icwrmind.exe
  • %PROGRAMFILES%\windows media player\wmplayer.exe
  • %WINDIR%\SYSTEM32\notepad.exe
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\bin\fpserver.exe
  • %WINDIR%\SYSTEM32\ntbackup.exe
  • %WINDIR%\SYSTEM32\freecell.exe
  • %WINDIR%\SYSTEM32\wupdmgr.exe
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\isapi\fpcount.exe
  • %WINDIR%\SYSTEM32\mobsync.exe
  • %WINDIR%\SYSTEM32\osk.exe
  • %WINDIR%\SYSTEM32\spider.exe
  • %PROGRAMFILES%\microsoft frontpage\version3.0\bin\fpsrvwin.exe
  • %WINDIR%\SYSTEM32\rundll32.exe
  • %PROGRAMFILES%\internet explorer\connection wizard\inetwiz.exe
  • %PROGRAMFILES%\outlook express\msimn.exe
  • %PROGRAMFILES%\msn gaming zone\windows\shvlzm.exe
  • %WINDIR%\SYSTEM32\usmt\migwiz.exe
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\bin\tcptest.exe
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\_vti_bin\shtml.exe
  • %WINDIR%\SYSTEM32\accwiz.exe
  • %PROGRAMFILES%\movie maker\moviemk.exe
  • %WINDIR%\SYSTEM32\mspaint.exe
  • %WINDIR%\SYSTEM32\odbcad32.exe
  • %COMMONPROGRAMFILES%\microsoft shared\speech\sapisvr.exe
  • %WINDIR%\SYSTEM32\mshearts.exe
  • %PROGRAMFILES%\msn gaming zone\windows\bckgzm.exe
  • c:\Users exe File.exe
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\bin\fpremadm.exe
  • %WINDIR%\SYSTEM32\calc.exe
  • %WINDIR%\SYSTEM32\utilman.exe
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\_vti_bin\_vti_adm\admin.exe
  • %PROGRAMFILES%\internet explorer\connection wizard\icwconn1.exe
  • %WINDIR%\SYSTEM32\tourstart.exe
  • %WINDIR%\SYSTEM32\sndrec32.exe
  • %COMMONPROGRAMFILES%\microsoft shared\msinfo\msinfo32.exe
  • %PROGRAMFILES%\msn gaming zone\windows\hrtzzm.exe
  • %WINDIR%\SYSTEM32\charmap.exe
  • %WINDIR%\SYSTEM32\sndvol32.exe
  • %WINDIR%\SYSTEM32\winmine.exe
  • %PROGRAMFILES%\microsoft frontpage\version3.0\bin\fp98sadm.exe
  • %PROGRAMFILES%\msn gaming zone\windows\chkrzm.exe
  • %PROGRAMFILES%\messenger\msmsgsin.exe
  • %WINDIR%\SYSTEM32\cleanmgr.exe
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\_vti_bin\_vti_aut\author.exe
  • %WINDIR%\SYSTEM32\rcimlby.exe
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\bin\cfgwiz.exe
  • %PROGRAMFILES%\outlook express\wab.exe
  • %WINDIR%\SYSTEM32\magnify.exe
  • %PROGRAMFILES%\microsoft frontpage\version3.0\bin\fp98swin.exe
  • %PROGRAMFILES%\msn gaming zone\windows\rvsezm.exe
  • c:\Users exe File.exe

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

  • %PROGRAMFILES%\microsoft frontpage\version3.0\bin\fp98swin.ivr
  • %WINDIR%\SYSTEM32\restore\rstrui.ivr
  • %PROGRAMFILES%\msn gaming zone\windows\shvlzm.ivr
  • %PROGRAMFILES%\msn gaming zone\windows\rvsezm.ivr
  • %PROGRAMFILES%\Internet Explorer\Connection Wizard\icwconn2.ivr
  • %WINDIR%\SYSTEM32\narrator.ivr
  • %WINDIR%\SYSTEM32\sndvol32.ivr
  • %WINDIR%\SYSTEM32\sndrec32.ivr
  • C:\listdlls.ivr
  • %WINDIR%\SYSTEM32\wupdmgr.ivr
  • %PROGRAMFILES%\outlook express\wab.ivr
  • C:\poweroff.ivr
  • %PROGRAMFILES%\outlook express\msimn.ivr
  • %WINDIR%\SYSTEM32\control.ivr
  • %PROGRAMFILES%\Messenger\msmsgsin.ivr
  • %PROGRAMFILES%\windows nt\hypertrm.ivr
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\_vti_bin\shtml.ivr
  • %WINDIR%\SYSTEM32\freecell.ivr
  • %WINDIR%\SYSTEM32\mstsc.ivr
  • %WINDIR%\SYSTEM32\cleanmgr.ivr
  • %WINDIR%\SYSTEM32\winmine.ivr
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\bin\FPSERVER.ivr
  • C:\NOTEPAD.ivr
  • %PROGRAMFILES%\Internet Explorer\Connection Wizard\isignup.ivr
  • %PROGRAMFILES%\winrar\winrar.ivr
  • %WINDIR%\SYSTEM32\magnify.ivr
  • %PROGRAMFILES%\windows nt\accessories\wordpad.ivr
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\bin\fpsrvadm.ivr
  • %WINDIR%\SYSTEM32\accwiz.ivr
  • %WINDIR%\SYSTEM32\rundll32.ivr
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\bin\fpremadm.ivr
  • %WINDIR%\SYSTEM32\charmap.ivr
  • %WINDIR%\SYSTEM32\usmt\migwiz.ivr
  • %WINDIR%\SYSTEM32\mobsync.ivr
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\bin\tcptest.ivr
  • %WINDIR%\SYSTEM32\mshearts.ivr
  • %PROGRAMFILES%\Internet Explorer\Connection Wizard\icwconn1.ivr
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\isapi\fpcount.ivr
  • %COMMONPROGRAMFILES%\Microsoft Shared\Speech\sapisvr.ivr
  • %WINDIR%\SYSTEM32\notepad.ivr
  • %PROGRAMFILES%\microsoft frontpage\version3.0\bin\fpsrvwin.ivr
  • C:\CALC.ivr
  • %WINDIR%\SYSTEM32\tourstart.ivr
  • %PROGRAMFILES%\movie maker\moviemk.ivr
  • %WINDIR%\SYSTEM32\ntbackup.ivr
  • %PROGRAMFILES%\microsoft frontpage\version3.0\bin\fpsrvadm.ivr
  • %PROGRAMFILES%\msn gaming zone\windows\hrtzzm.ivr
  • %PROGRAMFILES%\Internet Explorer\Connection Wizard\inetwiz.ivr
  • %WINDIR%\SYSTEM32\sol.ivr
  • %PROGRAMFILES%\Internet Explorer\Connection Wizard\icwrmind.ivr
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\bin\cfgwiz.ivr
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\_vti_bin\fpcount.ivr
  • %WINDIR%\SYSTEM32\rcimlby.ivr
  • %WINDIR%\SYSTEM32\spider.ivr
  • %COMMONPROGRAMFILES%\microsoft shared\msinfo\msinfo32.ivr
  • %WINDIR%\SYSTEM32\utilman.ivr
  • %PROGRAMFILES%\microsoft frontpage\version3.0\bin\fp98sadm.ivr
  • %PROGRAMFILES%\msn gaming zone\windows\chkrzm.ivr
  • %WINDIR%\SYSTEM32\calc.ivr
  • %PROGRAMFILES%\Internet Explorer\Connection Wizard\icwtutor.ivr
  • %PROGRAMFILES%\internet explorer\iexplore.ivr
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\_vti_bin\_vti_adm\admin.ivr
  • %PROGRAMFILES%\msn\msncorefiles\msn6.ivr
  • %WINDIR%\SYSTEM32\mspaint.ivr
  • %PROGRAMFILES%\windows nt\pinball\pinball.ivr
  • %WINDIR%\SYSTEM32\osk.ivr
  • %PROGRAMFILES%\windows media player\wmplayer.ivr
  • C:\netstatp.ivr
  • %PROGRAMFILES%\msn gaming zone\windows\bckgzm.ivr
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\_vti_bin\_vti_aut\author.ivr
  • %WINDIR%\SYSTEM32\odbcad32.ivr

The following registry elements have been changed:

  • HKEY_CURRENT_USER\CONTROL PANEL\ACCESSIBILITY\BLIND ACCESS\ON = 49
  • 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\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\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\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\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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