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  2. 5lo - Wikipedia

    en.wikipedia.org/wiki/5lo

    5lo infects resident .EXE files only. When it infects a file, it increases the file size by about 1000-1100 bytes (though a typical value is 1032 bytes. [1]) At the file's direct end, this message can be found (resulting in the virus's name):

  3. Comparison of computer viruses - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_computer_viruses

    File virus 1987-10 Seattle: Virus coders created many variants of the virus, making Jerusalem one of the largest families of viruses ever created. It even includes many sub-variants and a few sub-sub-variants. WannaCry: WannaCrypt, WannaCryptor Windows Ransomware Cryptoworm 2017 World North Korea: WDEF WDEF A Classic Mac OS 1989.12.15

  4. ABC (computer virus) - Wikipedia

    en.wikipedia.org/wiki/ABC_(computer_virus)

    ABC, discovered in October 1992, is a memory-resident, file-infecting computer virus which infects EXE files and may alter both COM and EXE files. ABC activates on the 13th day of every month. Upon infection, ABC becomes memory-resident at the top of system memory but below the 640 K DOS boundary and hooks interrupts 16 and 1C.

  5. What virus is going around? The flu, COVID, norovirus – and ...

    www.aol.com/news/virus-going-around-flu-covid...

    The risk of respiratory syncytial virus, or RSV, is on the rise, along with that of other illnesses including the flu, stomach flu and COVID-19.

  6. Coronavirus diseases - Wikipedia

    en.wikipedia.org/wiki/Coronavirus_diseases

    Coronavirus diseases are caused by viruses in the coronavirus subfamily, a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, the group of viruses cause respiratory tract infections that can range from mild to lethal.

  7. Timeline of computer viruses and worms - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_computer...

    Appearance of Lehigh virus (discovered at its namesake university), [20] boot sector viruses such as Yale from the US, Stoned from New Zealand, Ping Pong from Italy, and appearance of the first self-encrypting file virus, Cascade. Lehigh was stopped on campus before it spread to the "wild" (to computers beyond the university), and as a result ...

  8. Ontario (computer virus) - Wikipedia

    en.wikipedia.org/wiki/Ontario_(computer_virus)

    EXE file, Ontario.1024 goes memory resident and infects files of these types upon being opened. COMMAND.COM is infected using a special routine. Infected files will increase in size by 1,024 bytes. However, when Ontario.1024 is in memory, no increase in file size will be observed due to the virus' stealthing.

  9. CTX (computer virus) - Wikipedia

    en.wikipedia.org/wiki/CTX_(computer_virus)

    CTX is a computer virus created in Spain in 1999. CTX was initially discovered as part of the Cholera worm, with which the author intentionally infected with CTX. Although the Cholera worm had the capability to send itself via email, the CTX worm quickly surpassed it in prevalence.