Even if you have installed an antivirus product, some new unknown malware can still slip through its defenses and infect your computer. This is why it is essential to have a second anti-malware product on your PC to detect and remove the malware that the main antivirus product could not. For finding out whether some malware has slipped into your system, you can use the free Trend Micro HouseCall. It is an online virus scanner that can scan through your PC and fix a great number of threats like viruses, trojans, worms, spyware and more.
You can download Trend Micro HouseCall from the Trend Micro website. The download is only 2 megabytes in size. The download is separately available for 32-bit and 64-bit Windows versions. There is also download available for Mac OS. When you run this downloaded executable, it further downloads much more data from the internet that includes signatures and program updates.
After the data has been downloaded you are shown an end user license agreement window. You have to accept this end user license before you can proceed further. In the HouseCall window, you can see the big red Scan Now button which scans all your hard disks by default. But you can customize the scan settings by clicking on Settings and choosing which folders or drives you would like to scan for malware.
The scanning process takes a very long time if you have selected all your hard disks to be scanned. During the scan progress, it keeps showing how many threats have been detected on your system. At the end of the scan, it displays a list with all the threats detected and all of them are selected to be fixed by default. You can now just click on the Fix Now button to remove the malware it has found. The removal process may take a few minutes.
After the detected threats have been removed, it displays a summary of all the items it has fixed, the number of threats fixed etc. For details of every action it has taken, you can click on the More details link in the results window. At this point, you can close the Trend Micro HouseCall window or re-run the scan to see what else it finds.
Trend Micro HouseCall is a great way to fight off the malware that has been infesting your PC. It is not a full standalone antivirus product and should be not be used as a substitute of a full antivirus installed on your PC. It is an on-demand malware remover and should be used only in situations where you know or suspect that a PC is infected. In either case, you must install a regular antivirus product on your PC before or after scanning your PC with TrendMicro House Call for continued protection.
You can download Trend Micro HouseCall from http://housecall.trendmicro.com/.