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Danger level 6
Type: Trojans
Common infection symptoms:
  • Connects to the internet without permission
  • Installs itself without permissions


Backdoor.Popwin.B, or Backdoor:Win32/Popwin.B, is a Trojan infection first detected back in 2006. Unfortunately, the Trojan is back in the spotlight and your operating Windows system could be attacked soon enough. The infection may be propagated via spam email attachments, bundled downloads, social engineering scams and other security backdoors. Have no doubt that your PC is vulnerable to such infections if it is not guarded by strong and reliable threat detection/removal tools. Regardless, if you suspect the Trojan running on the computer, we are here to help you remove Backdoor.Popwin.B.

The malignant backdoor Trojan has been developed to expose system security vulnerabilities so that your PC could be infected with various secondary infections. Additionally, it can be implemented for DDoS attacks and various other processes, all of which can be performed by malicious Backdoor.Popwin.B files. Some of these files, like iefindup.exe, cmeChu.dll or suf.sys, have system generated names and are meant to aid extremely dangerous components.

There are four dangerous Trojan components that are responsible for the most devious and clandestine processes. MWSSVC.EXE and questbrwsearch.dll are adware programs which can also implement rootkits, make Backdoor.Popwin.B removal impossible, hijack system processes, steal login data and tamper with your Internet browsers. Overall, if you notice that your home page has been changed or unfamiliar toolbars have been installed, there is no doubt that your computer is under the attack of schemers.

Additionally, you should beware of tnodup.exe, which can delete system processes, implement rootkits and create connections to remote servers, and rundll32.exe. The latter is extremely dangerous, as it can reconfigure Firewall settings, tamper with browsers, initiate we page redirecting and modify active desktop background. To top it all off, the executable can also employ BHO to spy on your online activity, release fake pop-up notifications and utilize your personal IM channels to spread spyware.

Needless to say, it will be very difficult to remove Backdoor.Popwin.B manually. In fact, if you are not a highly experienced and knowledgeable Windows user, this task may be too difficult. Despite this, there is a tool that will help you delete the infection right away and it is called SpyHunter. Click on the link below to download the program and your operating Windows system will become protected against any cyber dangers.

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