Can DLL files be viruses?

Can a DLL file be harmful?

Most DLL files are very useful and aid in the process of running your applications. However, others are malicious, acting as browser hijackers or Trojan horses. These programs can alter your system and allow intruders to gain remote access to your system.

Can a DLL be a trojan?

dll file, a module that assists the DNS client service in the Windows operating system, essentially by caching the Domain Name System (DNS) names requested during a web browsing session. Due to its behavior, the trojan is also referred to as a 'DLL patcher'.

What is a DLL virus?

DLL stands for Dynamic Link Library, which are special files that contain instructions that allow other programs to run and execute certain functions that have been coded into that one single DLL file, even at the same time.

How do you check if DLL file is safe?

Re: who can I know which DLL safe or unsafe ? You can download and run a program called DllCompare. It has a library of good known Dll's. It will scan your pc and tell you the one's it does not know.