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Thread: April 26 - Chernobyl Virus And Others

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    Jul 2010

    Lightbulb April 26 - Chernobyl Virus And Others

    I suddenly remembered about the April 26, for the Chernobyl Virus.

    Started a little Wiki-ing about April 26th,first.
    When I searched April 26 many shocking news showed up, like-

    1962NASA's Ranger 4 spacecraft crashes into the Moon.

    1966 – An earthquake of magnitude 7.5 destroys Tashkent.

    1982 – 57 people are killed by former police officer Woo Bum-kon in a shooting spree in Gyeongsangnam-do, South Korea.

    1986 – A nuclear reactor accident occurs at the Chernobyl Nuclear Power Plant in the Soviet Union (now Ukraine), creating the world's worst nuclear disaster.

    1989The deadliest tornado in world history strikes Central Bangladesh, killing upwards of 1,300, injuring 12,000, and leaving as many as 80,000 homeless.

    2002Robert Steinhäuser infiltrates and kills 17 at Gutenberg-Gymnasium in Erfurt,
    Germany before dying of a self-inflicted gunshot.

    Now to the Chernobyl Virus

    CIH, also known as Chernobyl or Spacefiller, is a Microsoft Windows computer virus written by Chen Ing Hau (陳盈豪, pinyin: Chén Yíngháo) of Taiwan. It is one of the most damaging viruses, overwriting critical information on infected system drives, and more importantly, in some cases corrupting the system BIOS.
    The name "Chernobyl Virus" was coined some time after the virus was already well-known as CIH, and refers to the complete coincidence of the payload trigger date in some variants of the virus (actually the virus creation date in 1998, to trigger exactly a year later) and the Chernobyl accident, which happened in the Ukrainian SSR on April 26, 1986.

    In September 1998, Yamaha shipped a firmware update to their CD-R400 drives that was infected with the virus. In October 1998, a demo version of the Activision game SiN was infected by one of its mirror sites.[1] In March 1999, several thousand IBM Aptivas shipped with the CIH virus,[2] just one month before the virus would trigger.
    CIH's dual payload was delivered for the first time on April 26, 1999, with most of the damage occurring in Asia. CIH filled the first 1024 KB of the host's boot drive with zeros and then attacked certain types of BIOS. Both of these payloads served to render the host computer inoperable, and for laymen the virus essentially destroyed the PC. Technically, however, it was possible to replace the BIOS chip, and methods for recovering hard disk data emerged later.
    Today, CIH is not as widespread as it once was, due to awareness of the threat and the fact it only affects older Windows 9x (95, 98, Me) operating systems.
    The virus made another comeback in 2001 when a variant of the LoveLetter Worm in a VBS file that contained a dropper routine for the CIH virus was circulated around the internet, under the guise of a nude picture of Jennifer Lopez.
    A modified version of the virus called CIH.1106 was discovered in December 2002, but it is not considered a serious threat.
    CIH is considered a threat only if it infects programs used by mass-mailing computer worms, such as Klez, or if the Anjulie Worm comes into play
    Got this too-

    CIH spreads under the Portable Executable file format under Windows 95, Windows 98, and Windows ME. CIH does not spread under Windows NT, Windows 2000, Windows XP, Windows Vista, or Windows 7. CIH infects Portable Executable files by splitting the bulk of its code into small slivers inserted into the inter-section gaps commonly seen in PE files, and writing a small re-assembly routine and table of its own code segments' locations into unused space in the tail of the PE header. This earned CIH another name, "Spacefiller". The size of the virus is around 1 kilobyte, but due to its novel multiple-cavity infection method, infected files do not grow at all. It uses methods of jumping from processor ring 3 to 0 to hook system calls.
    My main intention was to ask you/know if this thing still works or not.
    Now that I already know it,just sharing with you guys.
    Last edited by Frank3nst3in; April 17th, 2011 at 19:05.

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