UPFST_US_139.EXE software is Win32:PUP-gen related.
UPFST_US_139.EXE (potentially unwanted program) is a program that may be unwanted for users.
UPFST_US_139.EXE may have one or more of unwanted features: spying user, adwertising, search redirecting, or browser hijacking.
UPFST_US_139.EXE is often downloaded in a bundle with useful program.
Suggest to uninstall UPFST_US_139.EXE as soon as possible.
UPFST_US_139.EXE is related to: Adware, UPFST_US_139.EXE.
Full path on a computer: C:USERSUSERAPPDATALOCALFST_US_139UPFST_US_139.EXE