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Windows 7: Strange files and folders created at every startup

29 Jun 2017   #1

Windows 7 Home Premium 64 bit
Strange files and folders created at every startup

I have several folders and files that appear on my drive at every startup. The folder and file names are seemingly random words and numbers, and the files are of several different types (rtf, jpg, sql, etc.), although the combination of types is the same in each folder, and there are always 10 files in each folder. I can delete them, but they re-appear in minutes, in the same place but with different names, all with exactly the same creation time. After a restart, all the files and folders have new names and are time stamped for the time of startup, and the old files and folders have disappeared. I run Avast Free, and have scanned with MalwareBytes, HouseCall, Avast boot-time scan, and Avast full scan, in both normal and safe modes, but they find no problems. The same problem has appeared on my desktop and 2 laptops, all running Windows 7 Home premium 64 bit. I have attached a screen shot of one directory. I have NOT tried opening any of the files!
The only apparent problems I am having are occasional keyboard/mouse freeze and sporadic hang at shutdown, but these have been going on for years and I have no idea if they are related to the mystery files. Thanks for any help.

Attached Thumbnails
Strange files and folders created at every startup-capture.jpg  
My System SpecsSystem Spec
29 Jun 2017   #2

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1

Did you install any anti-ransomware product lately? If so it is likely to create honeypot files like those in your screenshot.

Oddly named hidden folders in - Windows 7 Help Forums
My System SpecsSystem Spec
29 Jun 2017   #3

Windows 7 Home Premium 64 bit

Thanks Callender, you nailed it - Cybereason RansomFree. I deleted it and the files disappeared, reinstalled and the files came back.
My System SpecsSystem Spec


 Strange files and folders created at every startup

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