Most antivirus programs classify 4zSrcAs.dll as a harmful extension to Internet Explorer: such as PUA:Win32/MyWebSearch (detected by Microsoft), and FileRepMetagen [PUP] (detected by Avast). Add-ons like this can display ads, slow down your computer and cause various other errors. If you can't remember installing the associated MindSpark Search Assistant software, it's no surprise. In most cases, this kind of adware is installed on the side when you install a freeware product like a Youtube Downloader or a PDF Converter. In the following selection, you can read more about MindSpark Search Assistant and how to get rid of it.
The process known as MindSpark Search Assistant or Mindspark Search Assistant or Mindspark Toolbar Platform belongs to software MindSpark Search Assistant for Internet Explorer or Mindspark Search Assistant for Internet Explorer or Mindspark Toolbar Platform for Internet Explorer or VideoDownloadConverter Internet Explorer by Mindspark or MindSpark.
Description: 4zSrcAs.dll is not essential for Windows and will often cause problems. 4zSrcAs.dll is located in a subfolder of "C:\Program Files (x86)"—mostly C:\Program Files (x86)\VideoDownloadConverter_4z\bar\1.bin\.
Known file sizes on Windows 10/8/7/XP are 62,864 bytes (57% of all occurrences), 140,360 bytes, 145,768 bytes, 139,336 bytes or 144,968 bytes.
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware. IDs used by this BHO include c547c6c2-561b-4169-a2a5-20ba771ca93b. The program is not visible. 4zSrcAs.dll is a Verisign signed file. The 4zSrcAs.dll file is able to monitor web browsers. There is no detailed description of this service. 4zSrcAs.dll is not a Windows system file. It is certified by a trustworthy company. 4zSrcAs.dll is able to record keyboard and mouse inputs. Therefore the technical security rating is 53% dangerous.
Recommended: Identify 4zSrcAs.dll related errors
Important: You should check the 4zSrcAs.dll process on your PC to see if it is a threat. If MindSpark Search Assistant has changed your browser's search engine and start page, you can recover your browser's default settings as follows:Reset default browser settings for Internet-Explorer ▾
The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active 4zSrcAs process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the 4zSrcAs.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.
A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.