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.

Encyclopedia GetVirusCard True 0

OneHalf.3544

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:OneHalf.3544
Technical name:One Half.3544
Threat level:Low
Alias:Onehalf
Type:Virus
Effects:  It infects the boot sector of floppy disks and hard disks. It infects files with COM, EXE and SYS extensions. It encrypts the hard disk information. It prevents the computer from starting up correctly

Affected platforms:

MS-DOS

First detected on:Jan. 10, 1994
Detection updated on:July 28, 2003
StatisticsNo
Country of origin:AUSTRALIA
Family:ONE_HALF

Brief Description 

    

OneHalf.3544 is a boot virus that infects the boot sector of floppy disks and hard disks. In addition, it also infects files with COM, EXE and SYS extensions.

OneHalf.3544 is very dangerous because it slowly encrypts the hard disk information, preventing it from being read by the system.

OneHalf.3544 infects the hard disk when the computer is booted from a floppy disk that is infected with this virus. From then on, all of the floppy disks used on the system will be infected and the computer will have problems starting up.

Visible Symptoms 

    

The main visible symptom of OneHalf.3544 is that infected computers have problems starting.