MD5: 99be106bcd922730599aef122426faf6
SHA1: 0fdf886db96b3551cce2b1c3adb29d74f4b66e0d
SHA256: 7813429da45ee71f523eef4765a27025b44a503f93739775daa95347f0bbbb98
SSDeep: 12288:VuBSP/amCWBJSpc/aaT9/gur79Yq63kfydqAKTE1qH:sA6WBwy/aI/gK79YH0FAgxH
Size: 607756 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2011-09-06 06:53:58

Summary:

Worm. A program that is primarily replicating on networks or removable drives.

Payload

No specific payload has been found.

Process activity

The Worm creates the following process(es):

wio.exe:996
wiq.exe:2020
BqjnC0gFVHRul8.exe:1840
rundll32.exe:1244
win.exe:1844
99be106bcd922730599aef122426faf6.exe:1652
tasklist.exe:1660

The Worm injects its code into the following process(es):

spoolsv.exe:1436
rundll32.exe:512
paele.exe:1144

File activity

The process wio.exe:996 makes changes in a file system.
The Worm creates and/or writes to the following file(s):

%WinDir%\mspdiavu.dll (105 bytes)

The process BqjnC0gFVHRul8.exe:1840 makes changes in a file system.
The Worm creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\paele.exe (2057399 bytes)

The process spoolsv.exe:1436 makes changes in a file system.
The Worm creates and/or writes to the following file(s):

%WinDir%\Temp\3.tmp (33 bytes)

The Worm deletes the following file(s):

%WinDir%\Temp\3.tmp (0 bytes)
%System%\drivers\etc\hosts (0 bytes)

The process win.exe:1844 makes changes in a file system.
The Worm creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\1.tmp (673 bytes)

The Worm deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\2.tmp (0 bytes)

The process 99be106bcd922730599aef122426faf6.exe:1652 makes changes in a file system.
The Worm creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\BqjnC0gFVHRul8.exe (267 bytes)
%Documents and Settings%\%current user%\wiq.exe (297 bytes)
%Documents and Settings%\%current user%\win.exe (1278 bytes)
%Documents and Settings%\%current user%\wio.exe (89 bytes)

Registry activity

The process wio.exe:996 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "66 37 0A 55 BD 34 BA 13 C3 49 5D BE 86 CF B3 F6"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Wtube]
"Bveqayeweci" = "43 01 38 03 58 05 51 07 41 09 44 0B 48 0D 41 0F"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Wtube]
"Ydapup" = "38 01 36 03 45 05 44 07 3B 09 32 0B 4E 0D 37 0F"

The process wiq.exe:2020 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "98 79 8A 5F 40 01 3B 90 52 94 3B 99 3D 5C 01 38"

The process BqjnC0gFVHRul8.exe:1840 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F7 FF 71 26 11 10 06 81 34 AE B3 3F 70 46 80 16"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Documents and Settings%\%current user%]
"paele.exe" = "paele"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"ShowSuperHidden" = "0"

The Worm modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The Worm modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"

The Worm modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"

To automatically run itself each time Windows is booted, the Worm adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"paele" = "%Documents and Settings%\%current user%\paele.exe /O"

The process spoolsv.exe:1436 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\System\CurrentControlSet\Control\Print\Providers\4148971832]
"Name" = "C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\2.tmp"

[HKLM\System\CurrentControlSet\Services\9ebfa600]
"type" = "1"

[HKLM\System\CurrentControlSet\Services\9ebfa600]
"imagepath" = "\??\%WinDir%\TEMP\3.tmp"

[HKLM\System\CurrentControlSet\Control\Print\Providers]
"Order" = "LanMan Print Services, Internet Print Provider, 4148971832"

The Worm deletes the following registry key(s):

[HKLM\System\CurrentControlSet\Control\Print\Providers\4148971832]
[HKLM\System\CurrentControlSet\Services\9ebfa600\Enum]
[HKLM\System\CurrentControlSet\Services\9ebfa600]

The process rundll32.exe:512 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "7B F3 27 81 65 63 BD 53 BA 97 69 32 06 35 04 9F"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Wtube]
"Eqegaqojoqoka" = "201"

To automatically run itself each time Windows is booted, the Worm adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Ihoragiqinicim" = "rundll32.exe %WinDir%\mspdiavu.dll,Startup"

The process rundll32.exe:1244 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "FB 74 42 C5 94 3E 5A EF D7 4C 36 8E B3 42 F4 06"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Wtube]
"Bveqayeweci" = "43 01 38 03 58 05 51 07 41 09 44 0B 48 0D 41 0F"

The process win.exe:1844 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "DD E3 AD 2A 3C CF 70 03 BF 83 DC 38 C8 68 8B 57"

[HKLM\System\CurrentControlSet\Control\Session Manager]
"PendingFileRenameOperations" = "\??\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\4.tmp,"

The process paele.exe:1144 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F0 3A 84 DC 69 0D 1D A6 F1 82 F5 B6 36 80 49 C0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"ShowSuperHidden" = "0"

To automatically run itself each time Windows is booted, the Worm adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"paele" = "%Documents and Settings%\%current user%\paele.exe /q"

The process 99be106bcd922730599aef122426faf6.exe:1652 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B4 CE 1D F2 C0 7B 5D B0 E5 2E 7C 14 33 9C 2A BA"

The process tasklist.exe:1660 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "FD AF 73 9A E9 EE 99 81 EE 25 3D 91 46 1B EB 72"

Network activity (URLs)

URL	IP
hxxp://112907dd092b.edataupdate.com/get2.php?c=HUXKCMMH&d=26606B67393C34322E64636F317E3E3C2120222A24203078747D456E7579232614194317131C14015D404E1614196F6D0309700A007302710C0F030904797D070172727176727E70787E0C0D6A2F27212634206E6665677130303E666E383C6B05565B564204020A55584C041F1B0B1D4D442D42522A021413444A4B4C4D494CB2B0B6B3A2F5F4E8EBB4CFF3FCE1E1FDF5E3BCD6CCD0B0FBFCA8C5FEA1ACB8FCCCCFD6FCC1989681DF9F9E969C8BC8928197C08E8593D5D9DCD5879DD5D9DFCBA5FCF3F0F5F0F4FFF9FCFEFCEA88819D	69.43.161.167
hxxp://ww38.112907dd092b.edataupdate.com/get2.php?c=HUXKCMMH&d=26606B67393C34322E64636F317E3E3C2120222A24203078747D456E7579232614194317131C14015D404E1614196F6D0309700A007302710C0F030904797D070172727176727E70787E0C0D6A2F27212634206E6665677130303E666E383C6B05565B564204020A55584C041F1B0B1D4D442D42522A021413444A4B4C4D494CB2B0B6B3A2F5F4E8EBB4CFF3FCE1E1FDF5E3BCD6CCD0B0FBFCA8C5FEA1ACB8FCCCCFD6FCC1989681DF9F9E969C8BC8928197C08E8593D5D9DCD5879DD5D9DFCBA5FCF3F0F5F0F4FFF9FCFEFCEA88819D	50.56.81.182

Rootkit activity

Using the driver "UNKNOWN" the Worm controls loading executable images into a memory by installing the Load image notifier.

The Worm intercepts DriverStartIO in a miniport driver of a hard drive controller (ATAPI) to handle request to its own files:

StartIo

Propagation

Remove it with Ad-Aware

1. Click (here) to download and install Ad-Aware Free Antivirus.
2. Update the definition files.
3. Run a full scan of your computer.

Manual removal*

1. Scan a system with an anti-rootkit tool.
   
2. Terminate malicious process(es) (How to End a Process With the Task Manager):
   

   wio.exe:996
   wiq.exe:2020
   BqjnC0gFVHRul8.exe:1840
   rundll32.exe:1244
   win.exe:1844
   99be106bcd922730599aef122426faf6.exe:1652
   tasklist.exe:1660

3. Delete the original Worm file.
   
4. Delete or disinfect the following files created/modified by the Worm:
   

   %WinDir%\mspdiavu.dll (105 bytes)
   %Documents and Settings%\%current user%\paele.exe (2057399 bytes)
   %WinDir%\Temp\3.tmp (33 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\1.tmp (673 bytes)
   %Documents and Settings%\%current user%\BqjnC0gFVHRul8.exe (267 bytes)
   %Documents and Settings%\%current user%\wiq.exe (297 bytes)
   %Documents and Settings%\%current user%\win.exe (1278 bytes)
   %Documents and Settings%\%current user%\wio.exe (89 bytes)

5. Delete the following value(s) in the autorun key (How to Work with System Registry):
   

   [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   "paele" = "%Documents and Settings%\%current user%\paele.exe /O"
   
   [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   "Ihoragiqinicim" = "rundll32.exe %WinDir%\mspdiavu.dll,Startup"
   
   [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   "paele" = "%Documents and Settings%\%current user%\paele.exe /q"

6. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
   
7. Reboot the computer.
   

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.