Sverdlov Virus (31-January-1992)
Entry................: Sverdlov Virus
Alias(es)............: Hymn = Hymn of USSR Virus
Virus Strain.........: 1990
Virus detected when..: USSR 
              where..: September 1991 
Classification.......: Program virus, postfix, memory resident 
Length of Virus......: On media: 1,974 bytes 
---------------------- Preconditions ---------------------------------
Operating System(s)..: MS-DOS and compatible
Version/Release......: 3.0 and upwards
Computer model(s)....: IBM and compatible PC/XT/AT upwards 
---------------------- Attributes ------------------------------------
Easy Identification..: Infected files grows by 1,971 bytes.
Type of infection....: Program infector: The virus will make itself 
                          memory-resident and infect infect every 
                          program which uses INT21 (functions 3c, 
                          3d, 3e, 43, 4b)
Infection Trigger....: At any time but not if system date's Day=Month
Media affected.......: Any (hard disk, floppy disk)              
Interrupts hooked....: INT 21h, INT 1Ch, INT 24h 
Damage...............: Permanent: ---
                       Transient: The virus shows a nice spectacle 
                          on the screen, in displaying a V-shaped
                          window in different colors; inside the 
                          window you, the text is displayed:
                          " USSR (c) 1991 ". Moreover, the national
                          anthem of USSR is played.
Damage Trigger.......: When becoming memory resident, virus sets a 
                          random number. When random number=1,
                          damage is triggered.
Particularities......: ---
Similarities.........: ---
--------------------- Agents ------------------------------------------
Countermeasures......: ---
  - dito - successful: Tested: Fridrik Skulason's F-PROT
Standard means.......: ---
--------------------- Acknowledgement ---------------------------------
Location............: Virus Test Center, University Hamburg, Germany
                           and Technical University Dresden, Germany
Classification by...: Frank Schwarz
Documentation by....: Frank Schwarz
Date................: 31-January-1992
Information Source..: ---

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