CryptExrt is known to monitor the user’s habits on the computer. The threat can use  Internet Explorer’s security loophole to access updates and load more programs and files onto your computer.

Once it is on the computer it creates a new startup key, which can be found by the name CryptExrt.dll. The easiest way to get rid of all spyware is with a great anti-spyware program. ZookaWare PC Cleaner is an award-winning anti-spyware software that offers a 100% removal guarantee. Try the free scan today!

Relative file contents:
cryptexrt.dll in Windows\system32\