Most antivirus programs identify MAdService.exe as malware—e.g. TrendMicro identifies it as TROJ_GEN.R47C1L5, and Symantec identifies it as Adware.Lop.
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The MAdService.exe process itself does not contain any references to its author. However, a few interesting pieces of information are available from other sources.
Description: MAdService.exe is not essential for Windows and will often cause problems. The file MAdService.exe is located in a subfolder of "C:\Program Files (x86)" (mostly C:\Program Files (x86)\MAdModule\).
The file size on Windows 10/8/7/XP is 74,752 bytes.
MAdService.exe is a file with no information about its developer. The program is not visible. The software is loaded during the Windows boot process (see Registry key: MACHINE\Run). It is not a Windows system file. Therefore the technical security rating is 64% dangerous.
Recommended: Identify MAdService.exe related errors
Important: You should check the MAdService.exe process on your PC to see if it is a threat. If MAdService.exe 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 MAdService process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the MAdService.exe 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.