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.

Naco.F

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Naco.F
Technical name:W32/Naco.F
Threat level:Low
Type:Worm
Effects:  It causes security programs to stop working.
Affected platforms:

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

Detection updated on:June 12, 2003
StatisticsNo

Brief Description 

    

Naco.F is a dangerous worm that spreads via e-mail. The main aim  of this worm is to disable the security programs installed on the affected computer. In order to do this, it carries out the following actions:

  • It ends active processes belonging to antivirus and firewall programs, among others, in the affected computer.
  • It looks for files related to different antivirus and security programs and deletes them. For a list of these files click here.

Visible Symptoms 

    

Naco.F is easy to recognize, as it reaches computers in an e-mail message with an attached file that is almost always called CSRSS32.EXE.