high
Summary
Summary
Action- More Information
| Affected operating systems | Windows |
|---|---|
| Protection available since | 27 April 2005 13:00:45 (GMT) |
| Last updated | 29 April 2005 06:56:59 (GMT) |
| Detected by | All Sophos products |
Sophos beta program
- Endpoint Security and Control 9.0
- Small business solutions 4.0
Action
- Summary
- Action
- More Information
Please follow the instructions for removing worms.
Change any data that may have become compromised.
Replace the Hosts file from a backup or edit it in Notepad to remove the changes that the worm has made.
Windows NT/2000/XP/2003
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. Please read the warning about editing the registry.
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
Spools Service Controller
%SYSTEM%\spools.exe
and delete it if it exists.
Close the registry editor.
More Information
W32/Kassbot-C is a network worm with a backdoor component.
W32/Kassbot-C will send an email to a pre-defined email address containing system information from the infected computer.
W32/Kassbot-C will monitor a user's internet access. When certain internet banking and finance sites are accessed, the worm will redirect the user to a Russian website with fake login pages or email the stolen details to a Russian email address. W32/Kassbot-C is a network worm with a backdoor component.
When run the worm will copy itself to the Windows system folder as spools.exe.
W32/Kassbot-C will set the following registry entry in order to run automatically each time a user logs in:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Spools Service Controller
%SYSTEM%\spools.exe
W32/Kassbot-C will send an email to a pre-defined email address containing system information from the infected computer.
W32/Kassbot-C will monitor a user's internet access. When certain internet banking and finance sites are accessed, the worm will redirect the user to a Russian website with fake login pages or email the stolen details to a Russian email address. The banking sites include the following:
LloydsTSB
NatWest
HSBC
Barclays
Halifax
Citibank
NetBank
EzyBank
Bank One Australia
W32/Kassbot-C will attempt to spread by exploiting the following
vulnerabilities:
LSASS (MS04-011 ).
DCOM (MS04-012 ).
W32/Kassbot-C will connect to an IRC server and provide backdoor access to the
infected computer.
W32/Kassbot-C will drop and load a DLL named XEE32.DLL. This file is also detected as W32/Kassbot-C.
W32/Kassbot-C will drop a non-malicious file in the Windows system folder named xbccd.log. This file may just be deleted.
W32/Kassbot-C will append the following lines to the HOSTS file in an attempt to block access to anti-virus related websites:
17.145.117.11 d-ru-1f.kaspersky-labs.com
17.145.117.11 d-ru-1h.kaspersky-labs.com
17.145.117.11 d-ru-2f.kaspersky-labs.com
17.145.117.11 d-ru-2h.kaspersky-labs.com
17.145.117.11 d-eu-2f.kaspersky-labs.com
17.145.117.11 d-eu-2h.kaspersky-labs.com
17.145.117.11 d-eu-1f.kaspersky-labs.com
17.145.117.11 d-eu-1h.kaspersky-labs.com
17.145.117.11 d-us-1f.kaspersky-labs.com
17.145.117.11 d-us-1h.kaspersky-labs.com
17.145.117.11 downloads1.kaspersky.ru
17.145.117.11 downloads2.kaspersky.ru
17.145.117.11 downloads3.kaspersky.ru
17.145.117.11 downloads4.kaspersky.ru
17.145.117.11 downloads5.kaspersky.ru
17.145.117.11 www.kaspersky.ru
17.145.117.11 kaspersky.ru
17.145.117.11 kaspersky-labs.com
17.145.117.11 www.kaspersky-labs.com
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