Symptoms of Virus Infection to the Computers

Here are some indications that your computer is infected with the virus:

The DVD/CD Drive ejects randomly on its own:

The DVD/CD Drive ejects randomly and such behavior disappears only if you clean your PC from the virus. Install an Antivirus.

The Web browsers will be set to other search engines as homepage or the browser crashes frequently:

Web browsers will be set to unknown websites as homepage. This might be due to adware/malware. Installing an antivirus may fix this. 

Shortcuts will be created in the USB storage devices when plugged in:

Shortcuts will be created to the files in the USB storage devices that you plug in and this problem can be fixed by installing an antivirus. Don't delete the shortcuts which may result in data loss. Install an antivirus and if the shortcuts still appears, go to command prompt and type

attrib -h -s -r -a /s /d  D:*.*

and press enter

here D is the drive letter. replace that with whatever drive you want to remove the virus from. 

Some files get deleted automatically:

Some files disappear and get deleted automatically. Nothing helps like installing an antivirus after you have lost the files but the data recovery software.

Computer restarts unexpectedly:

The computer restarts unexpectedly. An Antivirus installation or installing new windows and then installing antivirus can solve this problem.

Note:

Depending upon the severity of the infection of your computer by virus, sometimes it is recommended to install a new OS or clean install the OS by formatting all-local storage drives by backing up the data to external storage.