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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Sticky

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Sticky
Technical name:Sticky
Threat level:Low
Alias:Screaming Fist 927,
Type:Virus
Effects:   It carries out damaging actions on the affected computer. It does not spread automatically using its own means.
Affected platforms:

MS-DOS

Detection updated on:May 29, 2009
StatisticsNo
Country of origin:UNITED STATES OF AMERICA

Brief Description 

    

Sticky is a virus that spreads to other computers by copying its code to other files or programs.

 

Sticky uses the following propagation or distribution methods:

  • Exploiting vulnerabilities with the intervention of the user: exploiting vulnerabilities in file formats or applications. To exploit them successfully it needs the intervention of the user: opening files, viewing malicious web pages, reading emails, etc.
  • File infection: it infects different types of files, which are then distributed through any of the usual means: floppy disks, email messages with attachments, Internet download, files transferred via FTP, IRC channels, P2P file sharing networks, etc.

 

Sticky uses the following infection strategies:

  • Resident: once it has been run, the virus goes memory resident and stops functions belonging to the operating system. Therefore, every time the operating system or an application tries to access any of these functions, the virus will activate and infect new files.
  • Stealth: when the virus is memory resident, it hides the modifications made to the boot sectors or files it has infected. These modifications are: changes in size, date, attributes, etc.
  • Encrypted: it encrypts its code in order to make it difficult to detect. In order to carry out its infection, the virus decrypts itself and, once infection has been carried out, it encrypts itself again.