If you have no idea what mIRC is then it is an Internet Relay Chat. It is a form of real-time Internet text messaging, i.e. chat or synchronous conferencing.
If you are using mIRC then you may get infected by a virus known as IRC-Worm.Mircup, IRC/DeathTech, WIN.IRC.Virus and Trojan:IRCDeath. This Trojan is designed to update the mIRC version and makes you feel that it’s a harmless and useful program but it actually disables the mIRC and may also cause some serious damage to your system.
1. Firstly, press Ctrl+Alt+Del, start task manager and look for a process titled ‘irc-worm.mircup.exe’ and kill it.
2. Once done, perform a search for the file named ‘irc-worm.mircup.exe’ on your computer and delete it.
3. Lastly, download Malwarebytes Anti Malware or ComboFix and scan the system using it. It should help you in eliminating this threat.