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


Trojan.Qhosts.AJ, also known as Trojan:Win32/Ircbrute, is a backdoor Trojan, which is capable to distribute itself via numerous infiltration channels, including IRC, spam email attachments, encrypted downloads, and so on. This malicious application can be used to gather your personal information, implement your accounts to spread the infection, or even inject more dangerous Windows compatible programs, which could be used to profit from you unlawfully. Upon infiltration, the Trojan can modify the Registry to add its malignant processes to the system’s startup, or copy its own files to multiple locations to aggravate Trojan.Qhosts.AJ removal. And, what is worse, you might not even know that this is happening, since the latent application does not have an interface, and its symptoms can be withheld, until the time to attack arrives.

Even though Trojan.Qhosts.AJ is made up of svcnost.exe and files, there may be many more infectious components, following the rogue, like ch8l0.exe. Such files are responsible for adding, deleting files, hijacking processes, producing unauthorized connections between remote servers and infected systems via Internet. Such Trojan’s files have been noticed to hide themselves in the fake Recycle Bin folder and create unlawful Internet Relay Chat servers. The cloaked infection’s executable svcnost.exe is by far the most secretive component, which originally belongs to the Microsoft Windows Operating System and can be located under C:\Windows\System32 folder. The malignant .exe file is a malware downloader, which can tamper with Firewall settings, employ wininet.dll dynamic link library file to connect to the Internet inconspicuously, and implement the rootkit technique, which can disguise any malignant Trojan.Qhosts.AJ processes from discovery and removal. All of these files are tremendously dangerous and should be deleted from your system as soon as possible, because they have tendencies to attract even more malicious applications to your already compromised system.

Bellow, you can see files and processes, which need to be removed, in order for Trojan.Qhosts.AJ to be deleted; however, the manual infection’s removal is not as straightforward as it may seem, and you should not proceed, if you have not completed such operation successfully in the past. Moreover, even if you are an experienced Windows user, who has dealt with such malware before, we suggest installing automatic Trojan’s removal tools, because only legal programs will guarantee full-time Windows system’s protection. Ultimately, such software will remove Trojan.Qhosts.AJ timely, and protect your Windows OS justly.

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How to manually remove Trojan.Qhosts.AJ

Files associated with Trojan.Qhosts.AJ infection:

Trojan.Qhosts.AJ processes to kill:


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