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Zeus is very difficult to detect even with up-to-date antivirus and other security software as it hides itself using stealth techniques. [5] It is considered that this is the primary reason why the Zeus malware then had become the largest botnet on the Internet: Damballa estimated that the malware infected 3.6 million PCs in the U.S. in 2009. [6]
A 2010 study by Google found 11,000 domains hosting fake anti-virus software, accounting for 50% of all malware delivered via internet advertising. [ 9 ] Starting on March 29, 2011, more than 1.5 million web sites around the world have been infected by the LizaMoon SQL injection attack spread by scareware.
OneHalf is a DOS-based polymorphic computer virus (hybrid boot and file infector) discovered in October 1994. [1] It is also known as Slovak Bomber, Freelove or Explosion-II. [ 2 ] It infects the master boot record (MBR) of the hard disk , and any files with extensions .COM , .SCR and .EXE . [ 3 ]
The NX bit (no-execute) is a technology used in CPUs to segregate areas of a virtual address space to store either data or processor instructions. An operating system with support for the NX bit may mark certain areas of an address space as non-executable. The processor will then refuse to execute any code residing in these areas of the address ...
Andromeda is a modular trojan which was first spotted in 2011. The behavior of this malware is its capability of checking whether it is being executed or debugged in a virtual environment by using anti-virtual machine techniques. [1]
Heavy correlation of Mumu infections with infections of the Valla virus have been observed. It is suspected that Mumu caused a resurgence in Valla infections after Valla infected one of the .exe files included in the Mumu package. Previous to this, Valla was considered obsolete. It now ranks among the most-reported viruses on the WildList.
AIDS II is a companion computer virus, which infects COM files.. First discovered in April 1990, it appears to be a more elegant revision of AIDS, which also employs the corresponding file technique to execute infected code.
Delta V, follows a cyberpunk theme, taking place in a future where mega-corporations hire hackers to acquire data, which has become the currency of that era. The player starts the game as a captured hacker who is conscripted by Black Sun, one of the mega-corporations, to join the ranks of their online operatives and risk his life piloting programs through cyberspace to steal rival corporations ...