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Process Name  : drvsys.exe

Process Path : %SYSTEM%\drvsys.exe [ C:\Windows\System32\drvsys.exe]

Process type    : Internet Worm

Malware Name : W32.Bagle.W@mm

Alias             : I-Worm/Bagle.W, W32/Bagle.Z@MM , Bagle.Y, W32/Bagle-W,  WORM_BAGLE.X 

Threat level : Low

Process Details :

                    Drvsys.exe is the main component dropped by Bagle.W. It is a mass mailing worm, uses e-mail addresses collected from .wab, .txt, .htm, .html, .wab, .txt, .msg, .htm, .xml, .dbx, .mdx, .eml, .nch, .mmf, .ods, .cfg, .asp, .php, .pl, .adb, .tbb, .sht, .uin, and .cgi files to distribute infected messages.

                      Bagle.W worm arrives as an e-mail attachment. The infected attachment will be a password protected ZIP file or an executable file. Bagle.W worm will send pictures with infected mails.

                      When the worm file is executed, it copies itself to Windows system folder as "drvsys.exe" in the background and displays the message "Can't find a viewer associated with the file.". It also copies itself as drvsys.exeopen, drvsys.exeopenopen.  W32.Beagle.W@mm modifies registry run section to load automatically on the next startup. The registry modification is given below.

"drvsys.exe"= %SYSTEM%\drvsys.exe

[ By default, %SYSTEM% will be C:\Windows\System in case of Windows 95/98/ME, C:\Winnt\System32 in case of Windows NT/2000 and C:\Windows\System32 in case of Windows XP ]

                    Bagle.W searches C to Z drives and copies itself to folders containing the string "share" or "sharing". This string search allows the worm to spread using file sharing networks like KaZaA and imesh. The worm uses following files names from the list

Microsoft Office 2003 Crack, Working!.exe
Microsoft Office XP working Crack, Keygen.exe
Microsoft Windows XP, WinXP Crack, working Keygen.exe
Porno Screensaver.scr Porno, sex, oral, anal cool, awesome!!.exe
Porno pics arhive, xxx.exe Serials.txt.exe
Windown Longhorn Beta Leak.exe Windows Sourcecode update.doc.exe
XXX hardcore images.exe
Opera 8 New!.exe
WinAmp 5 Pro Keygen Crack Update.exe
WinAmp 6 New!.exe
Matrix 3 Revolution English Subtitles.exe
Adobe Photoshop 9 full.exe
Ahead Nero 7.exe
ACDSee 9.exe

                    Bagle.W worm uses its own SMTP engine to send infected messages. The worm tries to terminate security programs in the infected system. Bagle.W contains backdoor abilities and it opens TCP port 2535. It allows hackers to upload files in the infected computer. Bagle.W worm appeared on 26th April 2004.

How can I protect my system?

                   Solo has incorporated drvsys.exe 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?

                   If you are already infected with drvsys.exe process, you can remove it from your computer using Solo Antivirus software. Use the following link to Download 30 day trial version of Solo antivirus 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.

You can purchase Solo antivirus using the link