PE_EXPIRO.B
Virus:Win32/Expiro.B (Microsoft); W32/Expiro (McAfee); W32.Kakavex (Symantec); Virus.Win32.Expiro.b (Kaspersky); Win32.Expiro.A (v) (Sunbelt); Win32.Kakavex.C (FSecure)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: File infector
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This file infector arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
179,200 bytes
EXE
No
26 Apr 2012
Arrival Details
This file infector arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Dropping Routine
This file infector drops the following files:
- %System%\magnify.ivr
- %System%\narrator.ivr
- %System%\osk.ivr
- %System%\utilman.ivr
- %Program Files%\Outlook Express\wab.ivr
- %System%\cmd.ivr
- %Program Files%\Windows Media Player\wmplayer.ivr
- %System%\notepad.ivr
- %System%\mobsync.ivr
- %System%\tourstart.ivr
- %Program Files%\Internet Explorer\IEXPLORE.ivr
- %Program Files%\Outlook Express\msimn.ivr
- %System%\rcimlby.ivr
- %System%\accwiz.ivr
- %System%\calc.ivr
- %Program Files%\Windows NT\hypertrm.ivr
- %System%\mstsc.ivr
- %System%\sndrec32.ivr
- %System%\sndvol32.ivr
- %System%\mspaint.ivr
- %System%\ntbackup.ivr
- %System%\charmap.ivr
- %System%\cleanmgr.ivr
- %Program Files%\Common Files\Microsoft Shared\MSInfo\msinfo32.ivr
- %System%\Restore\rstrui.ivr
- %Program Files%\Windows NT\Accessories\wordpad.ivr
- %System%\odbcad32.ivr
- %System%\freecell.ivr
- %System%\mshearts.ivr
- %Program Files%\MSN Gaming Zone\Windows\bckgzm.ivr
- %Program Files%\MSN Gaming Zone\Windows\chkrzm.ivr
- %Program Files%\MSN Gaming Zone\Windows\hrtzzm.ivr
- %Program Files%\MSN Gaming Zone\Windows\Rvsezm.ivr
- %Program Files%\MSN Gaming Zone\Windows\shvlzm.ivr
- %System%\winmine.ivr
- %Program Files%\Windows NT\Pinball\PINBALL.ivr
- %System%\sol.ivr
- %System%\spider.ivr
- %Program Files%\MSN\MSNCoreFiles\Install\msnsusii.ivr
- %Program Files%\Movie Maker\moviemk.ivr
- %System%\control.ivr
- %System%\wupdmgr.ivr
- %System%\magnify.exe
- %System%\narrator.exe
- %System%\osk.exe
- %System%\utilman.exe
- %Program Files%\Outlook Express\wab.exe
- %System%\cmd.exe
- %Program Files%\Windows Media Player\wmplayer.exe
- %System%\notepad.exe
- %System%\mobsync.exe
- %System%\tourstart.exe
- %Program Files%\Internet Explorer\IEXPLORE.EXE
- %Program Files%\Outlook Express\msimn.exe
- %System%\rcimlby.exe
- %System%\accwiz.exe
- %System%\calc.exe
- %Program Files%\Windows NT\hypertrm.exe
- %System%\mstsc.exe
- %System%\sndrec32.exe
- %System%\sndvol32.exe
- %System%\mspaint.exe
- %System%\ntbackup.exe
- %System%\charmap.exe
- %System%\cleanmgr.exe
- %Program Files%\Common Files\Microsoft Shared\MSInfo\msinfo32.exe
- %System%\Restore\rstrui.exe
- %Program Files%\Windows NT\Accessories\wordpad.exe
- %System%\odbcad32.exe
- %System%\freecell.exe
- %System%\mshearts.exe
- %Program Files%\MSN Gaming Zone\Windows\bckgzm.exe
- %Program Files%\MSN Gaming Zone\Windows\chkrzm.exe
- %Program Files%\MSN Gaming Zone\Windows\hrtzzm.exe
- %Program Files%\MSN Gaming Zone\Windows\Rvsezm.exe
- %Program Files%\MSN Gaming Zone\Windows\shvlzm.exe
- %System%\winmine.exe
- %Program Files%\Windows NT\Pinball\PINBALL.EXE
- %System%\sol.exe
- %System%\spider.exe
- %Program Files%\MSN\MSNCoreFiles\Install\msnsusii.exe
- %Program Files%\Movie Maker\moviemk.exe
- %System%\control.exe
- %System%\wupdmgr.exe
(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.. %Program Files% is the default Program Files folder, usually C:\Program Files.)
This report is generated via an automated analysis system.
SOLUTION
9.200
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Search and delete these files
- %System%\magnify.ivr
- %System%\narrator.ivr
- %System%\osk.ivr
- %System%\utilman.ivr
- %Program Files%\Outlook Express\wab.ivr
- %System%\cmd.ivr
- %Program Files%\Windows Media Player\wmplayer.ivr
- %System%\notepad.ivr
- %System%\mobsync.ivr
- %System%\tourstart.ivr
- %Program Files%\Internet Explorer\IEXPLORE.ivr
- %Program Files%\Outlook Express\msimn.ivr
- %System%\rcimlby.ivr
- %System%\accwiz.ivr
- %System%\calc.ivr
- %Program Files%\Windows NT\hypertrm.ivr
- %System%\mstsc.ivr
- %System%\sndrec32.ivr
- %System%\sndvol32.ivr
- %System%\mspaint.ivr
- %System%\ntbackup.ivr
- %System%\charmap.ivr
- %System%\cleanmgr.ivr
- %Program Files%\Common Files\Microsoft Shared\MSInfo\msinfo32.ivr
- %System%\Restore\rstrui.ivr
- %Program Files%\Windows NT\Accessories\wordpad.ivr
- %System%\odbcad32.ivr
- %System%\freecell.ivr
- %System%\mshearts.ivr
- %Program Files%\MSN Gaming Zone\Windows\bckgzm.ivr
- %Program Files%\MSN Gaming Zone\Windows\chkrzm.ivr
- %Program Files%\MSN Gaming Zone\Windows\hrtzzm.ivr
- %Program Files%\MSN Gaming Zone\Windows\Rvsezm.ivr
- %Program Files%\MSN Gaming Zone\Windows\shvlzm.ivr
- %System%\winmine.ivr
- %Program Files%\Windows NT\Pinball\PINBALL.ivr
- %System%\sol.ivr
- %System%\spider.ivr
- %Program Files%\MSN\MSNCoreFiles\Install\msnsusii.ivr
- %Program Files%\Movie Maker\moviemk.ivr
- %System%\control.ivr
- %System%\wupdmgr.ivr
- %System%\magnify.exe
- %System%\narrator.exe
- %System%\osk.exe
- %System%\utilman.exe
- %Program Files%\Outlook Express\wab.exe
- %System%\cmd.exe
- %Program Files%\Windows Media Player\wmplayer.exe
- %System%\notepad.exe
- %System%\mobsync.exe
- %System%\tourstart.exe
- %Program Files%\Internet Explorer\IEXPLORE.EXE
- %Program Files%\Outlook Express\msimn.exe
- %System%\rcimlby.exe
- %System%\accwiz.exe
- %System%\calc.exe
- %Program Files%\Windows NT\hypertrm.exe
- %System%\mstsc.exe
- %System%\sndrec32.exe
- %System%\sndvol32.exe
- %System%\mspaint.exe
- %System%\ntbackup.exe
- %System%\charmap.exe
- %System%\cleanmgr.exe
- %Program Files%\Common Files\Microsoft Shared\MSInfo\msinfo32.exe
- %System%\Restore\rstrui.exe
- %Program Files%\Windows NT\Accessories\wordpad.exe
- %System%\odbcad32.exe
- %System%\freecell.exe
- %System%\mshearts.exe
- %Program Files%\MSN Gaming Zone\Windows\bckgzm.exe
- %Program Files%\MSN Gaming Zone\Windows\chkrzm.exe
- %Program Files%\MSN Gaming Zone\Windows\hrtzzm.exe
- %Program Files%\MSN Gaming Zone\Windows\Rvsezm.exe
- %Program Files%\MSN Gaming Zone\Windows\shvlzm.exe
- %System%\winmine.exe
- %Program Files%\Windows NT\Pinball\PINBALL.EXE
- %System%\sol.exe
- %System%\spider.exe
- %Program Files%\MSN\MSNCoreFiles\Install\msnsusii.exe
- %Program Files%\Movie Maker\moviemk.exe
- %System%\control.exe
- %System%\wupdmgr.exe
Step 3
Scan your computer with your Trend Micro product to clean files detected as PE_EXPIRO.B. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
Did this description help? Tell us how we did.