Hello Virus
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*** Reports collected and collated by ***
*** PC-Virus Index ***
*** with full acknowledgements ***
*** to the authors ***
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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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