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Trojan-Downloader:OSX/Flashback

Classification

Category:

Malware

Type:

Trojan-downloader

Aliases:

  • Trojan-Downloader:OSX/Flashback
  • Backdoor:OSX/Flashback
  • Exploit:Java/Flashback
  • Trojan:OSX/Flashback

Summary

Trojan-Downloader:OSX/Flashback is a family of malicious applications which when installed on a computer will download a payload from a remote site, then modify targeted webpages displayed in the web browser. Variants in the Flashback family may include additional malicious functionalities or characteristics.

Removal

Technical Details

Early Flashback variants disguised themselves as Flash Player installers in order to trick users into installing and executing them.

Subsequent Flashback variants no longer use social engineering tactics to ensure distribution; instead, they are dropped by malicious Java applets exploiting known vulnerabilities, thereby requiring no user action for infection to occur.

For more information, please see the individual descriptions for the variants detected:

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