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405 VIRUS
The 405 Virus is a computer virus which infects .COM files. The virus is loaded into memory by executing an infected program. The virus corrupts program files by overwriting the first 405 bytes of a COM file in the current directory. If the length of the file to be infected is less than 405 bytes, the length is increased to 405. Due to coding errors, the virus unsuccessfully attempts to infect files in other than the current directory. The virus is not able to recognize an infected file. Thus it will re-infect a file again and again. However, because it overwrites the first 405 bytes, the infected files do not grow in size. It is similar to the Virus 1.1 published in Ralf Burger's book.
405 Virus

408 VIRUS
The 408 Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
408 Virus

4096 VIRUS
The 4096 Virus (Century Virus, IDF Virus, 100 Years Virus) is a memory- resident computer virus which uses stealth techniques to avoid detection and which infects .COM, .EXE and overlay files including COMMAND.COM adding 4096 bytes to their length. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files and data files. Once the virus is resident in memory, the increase in length will not appear in a directory listing, and it will infect any executable file that is opened, including those opened with the COPY or XCOPY command. Through FAT manipulation, the virus destroys files through a slow crosslinking process that would seem to be a hardware problem. If the virus is present in memory and you attempt to copy infected files, the new copy of the file will not be infected if the extension is neither COM nor EXE.
4096 Virus

422 VIRUS
The 422 Virus is a computer virus which infects .COM files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
422 Virus

439 VIRUS
The 439 Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
439 Virus

44 VIRUS
The 44 Virus is an overwriting computer virus written by Dark Helmet of the Trident organisation which which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts any files with an extension commencing.C, such as . COM.
44 Virus

482 VIRUS
The 482 Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
482 Virus

487 VIRUS
The 487 Virus is a computer virus which infects .COM files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
487 Virus

4915 VIRUS
The 4915 Virus is a computer virus which infects .EXE files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
4915 Virus

4MAT2 VIRUS
The 4Mat2 Virus is a computer virus which infects .COM files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
4Mat2 Virus

500 VIRUS
The 500 Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
500 Virus

510 VIRUS
The 510 Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation.
510 Virus

512 VIRUS
The 512 Virus (also called the Number Of The Beast Virus) is a memory- resident computer virus which uses stealth techniques to avoid detection and which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files and may damage the file allocation table.
512 Virus

5120 VIRUS
The 5120 Virus is a computer virus which infects .COM, .EXE and overlay files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files and data files.
5120 Virus

547 VIRUS
The 547 Virus is a computer virus which infects .COM files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
547 Virus

555 VIRUS
The 555 Virus is a computer virus which infects .COM, .EXE and overlay files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
555 Virus

557 VIRUS
The 557 Virus is a computer virus which infects .EXE files. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files and data files.
557 Virus

560 VIRUS
The 560 Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
560 Virus

578 VIRUS
The 578 Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
578 Virus

5LO VIRUS
The 5LO Virus is a computer virus which infects .EXE files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
5LO Virus

621 VIRUS
The 621 Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files and data files.
621 Virus

644 VIRUS
The 644 Virus is an encrypted computer virus which infects .COM and .EXE files. The virus is loaded into memory by executing an infected program. The virus corrupts data files.
644 Virus

651 VIRUS
The 651 Virus is a computer virus which infects .COM files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files and data files.
651 Virus

654 VIRUS
The 654 Virus is a computer virus which infects .COM files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
654 Virus

658 VIRUS
The 658 Virus is a computer virus which infects .COM and .EXE files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
658 Virus

674 VIRUS
The 674 Virus is a VCL generated computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program files.
674 Virus

702 VIRUS
The 702 Virus is a computer virus which infects .COM and .EXE files including COMMAND.COM. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files.
702 Virus

709 VIRUS
The 709 Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
709 Virus

727 VIRUS
The 727 Virus is a computer virus which uses stealth techniques to avoid detection and which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
727 Virus

733 VIRUS
The 733 Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files and data files.
733 Virus

737 VIRUS
The 737 Virus is a computer virus which infects .COM and .EXE files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
737 Virus

748 VIRUS
The 748 Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts data files.
748 Virus

765 VIRUS
The 765 Virus is a computer virus which infects .EXE files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
765 Virus

777 VIRUS
The 777 Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
777 Virus

7808 VIRUS
The 7808 Virus is a computer virus which infects .COM, .EXE and overlay files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files and data files.
7808 Virus

789 VIRUS
The 789 Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation.
789 Virus

7TH SON VIRUS
The 7th Son Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
7th Son Virus

7THSON 284 VIRUS
The 7thson 284 Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
7thson 284 Virus

7THSON 284A VIRUS
The 7thson 284a Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
7thson 284a Virus

7THSON 332B VIRUS
The 7thson 332b Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
7thson 332b Virus

800 VIRUS
The 800 Virus is a computer virus which infects .COM and .EXE files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
800 Virus

8000 VIRUS
The 8000 Virus is a computer virus which infects .EXE files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
8000 Virus

812 VIRUS
The 812 Virus is an encrypted computer virus which infects .COM, .EXE and overlay files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts data files.
812 Virus

834 VIRUS
See "Arab Virus"

855 VIRUS
The 855 Virus is a computer virus which infects .COM, .EXE and overlay files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
855 Virus

889 VIRUS
The 889 Virus is a computer virus which infects .COM and .EXE files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
889 Virus

90210 VIRUS
The 90210 Virus is a semi-stealth virus written by the Trident organisation. It hides file-size changes while it is in memory and marks infected files with the timestamp. It will infect COM files on open, execute, delete, and rename. It checks if it is in memory by calling Int 21h with DEADh in AX and uses MCB's to go memory resident.
90210 Virus

903 VIRUS
The 903 Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
903 Virus

905 VIRUS
The 905 Virus is a computer virus which infects .EXE files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
905 Virus

911 VIRUS
The 911 virus is a direct variant of the Armagedon the GREEK Virus, derived merely by changing the text within and the dialing string. The virus size is 1079 bytes, making the smallest carrier 1081 bytes. The main effect of the virus is to dial ' 911' every once in a while if a modem is present on com ports 1-4 (the original virus dialed the speaking clock in Greece). It is a memory resident virus which infects .COM files.
911 Virus

923 VIRUS
The 923 Virus is a computer virus which infects .COM, .EXE and overlay files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files and data files.
923 Virus

99% VIRUS
The 99% Virus is an encrypted computer virus which infects .EXE files. The virus is loaded into memory by executing an infected program. The virus corrupts data files.
99% Virus

99%-B VIRUS
The 99%-B Virus is a computer virus which infects .EXE files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
99%-B Virus