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Danger level 7
Type: Trojans
Common infection symptoms:
  • Installs itself without permissions
  • Connects to the internet without permission
  • Slow internet connection
  • System crashes
  • Slow Computer


Trojan.Graftor is not just one malicious infection. It is a whole group of Trojans that share the same name and there might be various versions of it (with letters A, B, C and so on attached at the end of their names), but the point is that Trojan.Graftor infections function similar to rogue antispyware programs. That is because these Trojan horses try to pass for legitimate applications. Pretending to be proper programs is actually quite common among Trojans, given the fact that they often come bundled with shareware applications.

However, there is nothing legitimate about Trojan.Graftor and once it gets into the target system it connects to the Internet and then contacts remote servers to receive instructions from the attacker. It can also download additional malware onto your computer, so it is more than obvious that Trojan.Graftor is a dangerous infection that has to be dealt with immediately. Usually, the users get infected with this Trojan, when it pretends to be an online media player. Sometimes clicking on it is all it takes to get infected. In other cases the media player says that you are missing a codec, and by downloading the supposed “codec” you allow Trojan.Graftor into your system.

During the installation the Trojan changes the autorun registry and as a result it loads every single time you turn on your computer. Naturally, Trojan.Graftor runs in the system background, especially as it copies itself into a hidden folder, away from the user’s view. It might also create a new directory named “Programas21” and it customizes the Internet settings in a way that there is no way to deter Trojan.Graftor from connecting to the remote server.

In this situation we can see that Trojan.Graftor is a dangerous threat to your overall system integrity. You have to remove Trojan.Graftor with a reliable antimalware tool that would ensure your system’s security and stability. If you choose automatic Trojan removal you can be guaranteed that your system will be protected against similar threats in the future.

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How to manually remove Trojan.Graftor

Files associated with Trojan.Graftor infection:


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