Hello Virus

 


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====== Computer Virus Catalog 1.2: Hello Virus (14-February-1991) ====

Entry...............: Hello Virus

Alias(es)...........: Hello_1a=Hall(oe)chen (German, meaning "Hy!")

Virus Strain........: ---

Virus detected when.: January 1990

              where.: South-West-Germany

Length of Virus.....: 2011 Bytes

--------------------- Preconditions ----------------------------------

Operating System(s).: MS-DOS

Version/Release.....: 3.00+

Computer model(s)...: IBM compatibles

--------------------- Attributes -------------------------------------

Easy Identification.: Textstring: "Hall(oe)chen, here I'm"

                                  "Acrivate Level 1" (wrong syntax!)

Type of infection...: Link-Virus; Infects COM- and EXE-files

Infection Trigger...: Any program file with file-date different

                         from the system-date (only year/month)

Storage media affected: Floppy and harddisk

Interrupts hooked...: INT 21h, function 4Bh

                      INT 08h and INT 16h for Damage

Damage..............: Slows system down, corrupts keyboard-entries

                         (pressing "A" produces "B")

Damage Trigger......: Infection-level greater than 50 or 70

Particularities.....: The damage will not be activated.

Similarities........: ---

--------------------- Agents -----------------------------------------

Countermeasures.....: Scan V57+ (McAfee),

Countermeasures successful: CleanV57+

Standard means......: ---

--------------------- Acknowledgement --------------------------------

Location............: VTC-Hamburg, BIT-Karlsruhe

Classification......: Matthias Jaenichen, Christoph Fischer

Documentation by....: Matthias Jaenichen

Date................: 31-January-1990

Update..............: 14-February-1991

Information Source..: ---

===================== End of Hello - Virus ===========================





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