The main concern when using a computer that is not private property is infected with viruses or other malicious programs.
Sometimes, too, the antivirus installed on a computer is not enough to ward off the virus, such as not up-to-date. Maybe the computer is in poor condition and can not run smoothly.
In such cases, which can be stored portable antivirus portable external storage, such as a USB flash drive or external hard drive, it can help you.
Users do not need to install a conventional antivirus, but enough to run antivirus directly from storage media (portable).
Well, as quoted from Tech Republic, here is a list of five types of portable antivirus product whose reliability has been tested and can be downloaded free of charge, that is:
- ClamWin Portable
Like the conventional version, ClamWin Portable is an open source antivirus that can be obtained for free, but has a strong ability to eradicate the virus.
ClamWin Portable has the virus detection rate is very high and carry a friendly graphical interface. Developers are also diligent in updating the virus definition database.
One drawback is not providing real-time scanning, but it was not a problem for portable antivirus is not intended for continuous monitoring.
This is one type of software that rarely used by computer users unless absolutely forced to. But if necessary, make the Sophos software has a "sense of smell" that is very powerful that can identify and remove rootkits, even when the PC is in use.
Sophos Anti-Rootkit Portable 100 percent free and can run on Windows XP, Vista, and Windows 7. The software can be run as a conventional antivirus.
This software is a tool that can detect and clean malware over 6 million types of computer threats. Free Emsisoft Emergency Toolkit has a GUI and command line mode, so users can still use it even though the graphical interface is not accessible.
In addition to anti-malware, users will also get a spyware removal tool and locked files HiJackFree BlitzBank in the Emsisoft Free Emergency Toolkit package. The series of this software can be downloaded for free, but users can also buy a USB flash drive containing the compilation of this application.
When a malware infection is severe, you need software that is capable of running without a GUI. It Vipre Rescue. Software command window running in Safe Mode only need to click once before starting to scan the system with remarkable speed.
- Spybot Search and Destroy portable
Spybot Search and Destroy portable is very popular. As the name suggests, this tool has the ability to be reliable in terms of search and destroy malicious programs on your computer.
One unique feature of Spybot is ability to back up the Windows registry before starting the scanning process so that it can to restore the Windows registry becomes damaged during the cleaning process.
Please choose according to your preferences.