Aug 20 2008

Virus, Worm, and Trojans

Reading daunting security threats from Sophos (http://www.sophos.com) the leading virus remover, I’ve found out that there are alot of virus, trojan and worm variations. These are what I found.Taga Lipa Are! is a VBS/Solow-B type of Worm. No variations has been set.Execution:When run VBS/Solow-B attempts to spread via removable storage drives and copies itself as FS6519.dll.vbs.

VBS/Solow-B also copies itself to \FS6519.dll.vbs.

The following registry entry is set to run VBS/Solow-B on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
FS6519
\FS6519.dll.vbs

The following registry entry is set:

HKCU\Software\Microsoft\Internet Explorer\Main
Window Title
TAGA LIPA ARE!

VBS/Solow-B also creates the file \autorun.inf which contains the following lines:
[AutoRun]
shellexecute=wscript.exe FS6519.dll.vbs

This file autorun.inf can be safely removed.

For those who use chat clients which displays “http://thecoolpics.net/blahblah.jpg” links, you are infected with W32/Sohana-D type of Worm. It spread via Chat programs like Yahoo Messenger, Live Messenger, AIM and the like. Aliases are IM-Worm.Win32.Qucan.n and W32/Downloader.APMU.

Execution:

W32/Sohana-D contains code to spread via Instant Messaging protocols.

W32/Sohana-D includes functionality to download, install and run new software.

Registry entries are set as follows:

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableRegistryTools
1

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableTaskMgr
1

HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel
Homepage
1

HKCU\Software\Microsoft\Internet Explorer\Main
Start Page
http://thecoolpics.net

Registry entries are created under:

HKCU\Software\Yahoo\pager\View\

I’m still looking for the present “Re cycler” virus but this is what I found with and 71% match about it. It’s a W32/SillyFDC-AK type of Worm. It spreads through Removable storage devices. Aliases are INFECTED Worm.Win32.VB.gd and Win32/VB.NLI worm.Execution:When first run W32/SillyFDC-AK copies itself to \Lcass.exe and creates the clean file \Mswinsck.ocx.W32/SillyFDC-AK spreads via removable shared drives by creating the file autorun.inf and a copy of the worm to \Lcass.exe on the removeable drive. The file autorun.inf is subsequently set to run the worm component upon connecting the removeable drive to another computer.

W32/SillyFDC-AK creates the following registry entry to run itself on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Lcass
\Lcass.exe

AutoIT 3 is a W32/Wanted-A type of Worm. Aliases are Trojan.Win32.Autoit.d and DiabloCheat. No variations has been set.

Brief Description:

In Windows NT/2000/XP/2003 you will also need to edit the following registry entry. The removal of this entry is optional in Windows 95/98/Me.

At the taskbar, click Start|Run. Type ‘Regedit’ and press Return. The registry editor opens.

Before you edit the registry, you should make a backup. On the ‘Registry’ menu, click ‘Export Registry File’. In the ‘Export range’ panel, click ‘All’, then save your registry as Backup.

Locate the HKEY_LOCAL_MACHINE entry:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run\LoadProfile

and delete it if it exists.

Close the registry editor.

If anything comes up, I’ll post it in this entry. Thank you very much.

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