PALYH WORM SPREADS IN THE WILD

Virus Name  : W32.Palyh.A@mm

Alias             : I-Worm.Palyh, WORM_SOBIG.B, W32/Palyh-A, W32.HLLW.Mankx@mm

Virus type    : Internet worm

Threat level : Low

Virus details :

                     Palyh worm uses e-mail addresses collected from DBX, HTML, DBX, EML, HML, TXT and WAB files to send infected messages. It is very similar to Sobig Worm. Palyh infects Windows 95, 98, ME, 2000, NT, XP systems. It also copies to shared network drives. 

                     The worm arrives with the following details. The infected e-mail attachment is chosen from the list given below

application.pif
approved.pif 
doc_details.pif 
movie28.pif 
password.pif 
ref-394755.pif 
screen_doc.pif 
screen_temp.pif 
your_details.pif

Subject is chosen from the list given below

• Approved (Ref: 38446-263) 
• Cool screensaver 
• Re: Approved (Ref: 3394-65467) 
• Re: Movie 
• Re: My application
• Re: My details 
• Screensaver 
• Your details 
• Your password 

The email body contains the text "All information is in the attached file." and the sender field will be support@microsoft.com

                     When the infected attachment is executed, the worm copies itself to Windows folder as "msccn32.exe". It also drops MSDBRR.INI, HNKS.INI configuration files in the Windows folder. Palyh worm creates new keys in the registry Run section to load automatically. The registry modification is given below.

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
"System Tray" = %Windows%\msccn32.exe 

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
"System Tray" = %Windows%\msccn32.exe 

                     Palyh copies to the shared network drives startup folder in the remote machine. So the infected files will be executed automatically on the next startup. It copies to the following shared drives

\Windows\All Users\Start Menu\Programs\StartUp
Documents and Settings\All Users\Start Menu\Programs\Startup

How can I protect my system?

                   Solo has incorporated Palyh worm in its signature file to protect users from this worm attack. Solo antivirus registered users are already protected from this worm. Make sure that you have installed registered version of Solo Antivirus to protect your system from all virus threats.

How to remove this worm?

                   Solo antivirus can detect and remove Palyh Worm safely. Use the following link to Download 30 day trial version of Solo antivirus [1670 KB] to remove viruses from your computer.

                   Solo anti-virus not only scans for all viruses, it contains a unique System Integrity Checker to protect you from New Internet Worms, Backdoors and malicious VB, Java Scripts. It also effectively removes all existing Internet Worms, File viruses, malicious VB, Java scripts, Trojans, Backdoors, boot sector, partition table and macro viruses.

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