Resetting browser settings to default and running scans with more than one anti-malware program is effective in removing "about:blank" malware, according to MalwareTips.com. Malwarebytes Anti-Malware Free is recommended for remedying the about:blank virus, while AdwCleaner can remove the adware version.
Most browsers, including Firefox and Internet Explorer, use the about:blank designation within the URL bar for blank pages. This is often due to a corruption of profile data and is not necessarily indicative of malware. It can also occur when malware is not correctly removed from a system. In the event that about:blank malware is caused by a browser hijacker, Junkware Removal Tool can remove all traces of it from browser extensions in addition to scanning for compromised Windows shortcuts.
As some malware is particularly stubborn, additional steps such as entering Safe Mode may be necessary for total removal. PC World recommends disconnecting from the Internet before booting in Safe Mode for Windows, which is done by repeatedly pressing the F8 key upon powering on the computer. Once the computer is booted, a disk cleanup can be initiated by selecting Start, All Programs, Accessories, System Tools and Disk Cleanup. Some malware can be eliminated through this process alone. However, more thorough scanning tools may be necessary, such as Kaspersky Virus Removal Tool, SuperAntiSpyware and Malwarebytes.