Jayjaywon.browserassist.21.var

Look for unfamiliar applications installed under "JayJayWon" or associated with "BrowserAssist". If you can provide more context, such as:

An internal signature or temporary file related to browser-based adware or potentially unwanted programs (PUPs) that has not been publicly flagged by major security vendors. JayJayWon.BrowserAssist.21.var

A variable used in a scripting context, such as a JavaScript browser extension. Potential Contexts JayJayWon.BrowserAssist.21.var

Utilize reputable antivirus/anti-malware software to check for PUPs or adware associated with this string. JayJayWon.BrowserAssist.21.var

Are you seeing any (e.g., strange ads, browser redirects)? I can provide a more specific analysis.