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Global Internet Security Alerts


  • Trojan-Downloader:JS/Locky
    Trojan-Downloader:JS/Locky is ransomware that encrypts files saved on the machine and demands payment of a ransom in order to obtain the decryption key needed to restore normal access to the affected files.
  • Trojan-Downloader:W97M/Dridex
    Trojan-Downloader:W97M/Dridex is a document file containing maliciously crafted macro code that, when allowed to run on a user's machine, drops a file onto the system. The dropped file attempts to contact a remote server.
  • Trojan.GenericKD.3016333
    Trojan.GenericKD.3016333 is ransomware that encrypts files stored on the affected device and demands payment of a ransom.
  • Trojan:W32/Nymaim
    Trojan:W32/Nymaim is ransomware that is also capable of downloading additional malware onto the affected device.

Virus Activity

The World Map is a visual tool for presenting geographically grouped summaries of known virus infections.

View up-to-date map »

Safety Tip

Double File Extensions Never open attachments with double file extensions such as NAME.BMP.EXE or NAME.TXT.VBS

Security Terms

Buffer Overflow

A vulnerability in programs which do not adequately manage memory allocation. In certain circumstances, exploit code can use excessive amounts of data to exploit this vulnerability and force the program to write data beyond their specified memory allocations.

Technically, there are a few types of buffer overflows, depending on how the program handles the data overflow. In practical terms, all buffer overflows can force the targeted program to crash, delete data, or allow the attacker to transform the computer into a zombie.

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