Infection Channel: Propagates via peer-to-peer networks, Propagates via removable drives, Spammed via email
The dropped AUTORUN.INF file is detected by Trend Micro as Mal_Otorun1.
This worm arrives as attachment to mass-mailed email messages. It arrives via removable drives.
It drops an AUTORUN.INF file to automatically execute the copies it drops when a user accesses the drives of an affected system.
It also has rootkit capabilities, which enables it to hide its processes and files from the user.
File size: 441, 344 bytes
File type: EXE
Memory resident: No
Initial samples received date: 05 May 2010
Payload: Hides files and processes
Arrival Details
This worm arrives as attachment to mass-mailed email messages.
It arrives via removable drives.
It may arrive via network shares.
Installation
This worm drops the following copies of itself into the affected system:
It drops the following component file(s):
- %WINDOWS%\oracle.ocx - non-malicious
It drops and executes the following files:
- %System%\wpmgr.exe - detected by Trend Micro as TROJ_CUTWAIL.IZ
(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.)
Autostart Technique
This worm adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
Windows Management = %system%\wmimngr.exe
Other System Modifications
This worm adds the following registry entries as part of its installation routine:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile\AuthorizedApplications\
List
%System%\wmimngr.exe = %System%\wmimngr.exe:*:Enabled:Explorer
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer
drv5 = {month of execution}
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer
drv6 = {day of execution}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Security Center
UACDisableNotify = 1
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
system
EnableLUA = 1
Propagation
This worm creates the following folders in all removable drives:
- RECYCLER\S-1-6-21-2434476521-1645641927-702000330-1542
- RECYCLER
It drops copies of itself into the following folders used in peer-to-peer (P2P) networks:
- %Program Files%\emule\incoming
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).)
It drops the following copy(ies) of itself in all removable drives:
- RECYCLER\S-1-6-21-2434476521-1645641927-702000330-1542\redmond.exe
It drops an AUTORUN.INF file to automatically execute the copies it drops when a user accesses the drives of an affected system.
The said .INF file contains the following strings:
[autorun]
open=RECYCLER\S-1-6-21-2434476521-1645641927-702000330-1542\redmond.exe
icon=%SystemRoot%\system32\SHELL32.dll,4
action=Open folder to view files
shell\open=Open
shell\open\command=RECYCLER\S-1-6-21-2434476521-1645641927-702000330-1542\redmond.exe
shell\open\default=1
Rootkit Capabilities
This worm also has rootkit capabilities, which enables it to hide its processes and files from the user.
Other Details
This worm did not exhibit backdoor routines during testing.
It does the following:
- It uses the following file names for its dropped copies in P2P shares:
- Absolute Video Converter 6.2.exe
- AVS video converter6.exe
- Ad-aware 2009.exe
- Adobe Acrobat Reader keygen.exe
- Adobe Photoshop CS4 crack.exe
- Alcohol 120 v1.9.7.exe
- AnyDVD HD v.6.3.1.8 Beta incl crack.exe
- Avast 4.8 Professional.exe
- BitDefender AntiVirus 2009 Keygen.exe
- CheckPoint ZoneAlarm And AntiSpy.exe
- CleanMyPC Registry Cleaner v6.02.exe
- DVD Tools Nero 9 2 6 0.exe
- Daemon Tools Pro 4.11.exe
- Divx Pro 6.8.0.19 + keymaker.exe
- Download Accelerator Plus v8.7.5.exe
- Download Boost 2.0.exe
- G-Force Platinum v3.7.5.exe
- Google Earth Pro 4.2. with Maps and crack.exe
- Grand Theft Auto IV (Offline Activation).exe
- Internet Download Manager V5.exe
- K-Lite codec pack 3.10 full.exe
- K-Lite codec pack 4.0 gold.exe
- Kaspersky Internet Security 2009 keygen.exe
- LimeWire Pro v4.18.3.exe
- Magic Video Converter 8 0 2 18.exe
- Microsoft Office 2007 Home and Student keygen.exe
- Microsoft Visual Studio 2008 KeyGen.exe
- Microsoft.Windows 7 Beta1 Build 7000 x86.exe
- Motorola, nokia, ericsson mobil phone tools.exe
- Myspace theme collection.exe
- Nero 9 9.2.6.0 keygen.exe
- Norton Anti-Virus 2009 Enterprise Crack.exe
- Opera 9.62 International.exe
- PDF password remover (works with all acrobat reader).exe
- Perfect keylogger family edition with crack.exe
- Power ISO v4.2 + keygen axxo.exe
- Smart Draw 2008 keygen.exe
- Sony Vegas Pro 8 0b Build 219.exe
- Sophos antivirus updater bypass.exe
- Super Utilities Pro 2009 11.0.exe
- Total Commander7 license+keygen.exe
- Tuneup Ultilities 2008.exe
- Ultimate ring tones package1 (Beethoven,Bach, Baris Manco,Lambada,Chopin, Greensleves).exe
- Ultimate ring tones package2 (Lil Wayne - Way Of Life,Khia - My Neck My Back Like My Pussy And My Crack,Mario - Let Me Love You,R. Kelly - The Worlds Greatest).exe
- Ultimate ring tones package3 (Crazy In Love, U Got It Bad, 50 Cent - P.I.M.P, Jennifer Lopez Feat. Ll Cool J - All I Have, 50 Cent - 21 Question).exe
- VmWare keygen.exe
- WinRAR v3.x keygenRaZoR.exe
- Winamp.Pro.v6.53.PowerPack.Portable+installer.exe
- Windows 2008 Enterprise Server VMWare Virtual Machine.exe
- Windows XP PRO Corp SP3 valid-key generator.exe
- Windows2008 keygen and activator.exe
- Youtube Music Downloader 1.0.exe
NOTES:
The dropped AUTORUN.INF file is detected by Trend Micro as Mal_Otorun1.
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