high
Summary
Summary
Action- More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Protection available since | 9 June 2005 21:42:30 (GMT) |
| Detected by | All Sophos products |
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Action
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- Action
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More Information
W32/Kassbot-F is a network worm with backdoor functionality for the Windows platform.
W32/Kassbot-F will attempt to spread by exploiting the LSASS exploits. The following patches for the operating system vulnerabilities exploited by W32/Kassbot-F can be obtained from the Microsoft website:
W32/Kassbot-F 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 pre-specified email address. W32/Kassbot-F is a network worm with backdoor functionality for the Windows platform.
W32/Kassbot-F runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer.
W32/Kassbot-F includes functionality to access the internet and communicate with a remote server via HTTP.
When first run W32/Kassbot-F copies itself to <Windows system folder>\spools.exe and creates the file
<Windows system folder>\xbccd.log.
The following registry entry is created to run spools.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Spools Service Controller
<Windows system folder>\spools.exe
W32/Kassbot-F will send an email to a pre-defined email address containing system information from the infected computer.
W32/Kassbot-F 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 pre-specified email address. The banking sites include the following:
Bank One Australia
Barclays
Citibank
EzyBank
Halifax
HSBC
LloydsTSB
NatWest
NetBank
W32/Kassbot-F will attempt to spread by exploiting the LSASS exploits. The following patches for the operating system vulnerabilities exploited by W32/Kassbot-F can be obtained from the Microsoft website:
W32/Kassbot-F will append the following lines to the HOSTS file in an attempt toblock access to anti-virus related websites:
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-eu-2f.kaspersky-labs.com
17.145.117.11 d-eu-2h.kaspersky-labs.com
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-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 kaspersky-labs.com
17.145.117.11 kaspersky.ru
17.145.117.11 www.kaspersky-labs.com
17.145.117.11 www.kaspersky.ru
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