x
48h OFFER
If you're already a customer of
our homeusers protection,
renew now with a 50% off
RENEW NOW
x
SPECIAL OFFER
If you're already a customer of
our homeusers protection,
renew now with a 50% off
RENEW NOW
x
HALLOWEEN OFFER
take advantage of our
terrific discounts
BUY NOW AND GET A 50% OFF
x
CHRISTMAS OFFER
Buy the best antivirus
at the best price
BUY NOW AND GET A 40% OFF
x
SPECIAL OFFER
Buy the best antivirus
at the best price
BUY NOW AND GET A 50% OFF
x
BLACKFRIDAY OFFER
Buy the best antivirus
at the best price
TODAY ONLY UP TO 70% OFF
x
CYBERMONDAY OFFER
Buy the best antivirus
at the best price
(Only for homeusers)
TODAY ONLY UP TO 70% OFF
Active Scan. Scan your PC free
Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Kelvir.EO

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Kelvir.EO
Technical name:W32/Kelvir.EO.worm
Threat level:Low
Type:Worm
Effects:  

It connects to an IRC server and waits for remote control commands to carry out on the affected computer. It exploits the vulnerabilities LSASS and RPC DCOM, among others, in order to spread to as many computers as possible.

Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

First detected on:June 25, 2006
Detection updated on:June 28, 2006
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Kelvir.EO is a worm that connects to an IRC server in order to receive remote control commands, acting as a backdoor. It can be instructed to obtain Protected Storage service keys (including Outlook or Internet Explorer passwords, among others), list or end processes, open a command shell, etc.

Kelvir.EO installs the rootkit Ruffle.A, which is used to hide files and processes belonging to the worm.

Kelvir.EO exploits the vulnerabilities LSASS, RPC DCOM, Workstation Service and Plug and Play to spread across the Internet.

 

It is highly recommended to download the security patches for the vulnerabilities LSASS, RPC DCOM, Workstation Service and Plug and Play from the Microsoft website.

Visible Symptoms 

    

Kelvir.EO is difficult to recognize, as it does not display any messages or warnings that indicate it has reached the computer.