GUP.exe
WinGup for Notepad++ file version info
Program on Windows 2 known copies with hashes 8 Sigma rules name it
Is it the real GUP.exe?
Installed in
C:\Program Files (x86)\Notepad++\updater\Signed byNotepad++
ProductWinGup for Notepad++, Don HO don.h@free.fr
DescriptionWinGup for Notepad++
2 known copies
5.21 · C:\Program Files (x86)\Notepad++\updater\GUP.exe · signed by Notepad++
285d1f375eedb5dc30b2962ed45187f1fe07cfd09de101faca8a1b2416e6bd695.11 · C:\Program Files (x86)\Notepad++\updater\GUP.exe · signed by Notepad++
ce0685bedeb6904488615f45764e8304ce1dd4da4ae0200a4b2f6d14c1b91d49From the file’s version info and the copies recorded by xCyclopedia (MIT). A copy in another folder, signed by someone else or with another hash is not necessarily malicious, but it is worth a closer look. In Ceplin, "<sha256>".whatis() says which known copy a hash is.
What detects it
highSuspicious Child Process of Notepad++ Updater - GUP.ExeSwachchhanda Shrawan Poudel (Nextron Systems)
Sigma names GUP.exe in 8 rules in all, for every kind of event; these are the process creation rules CmdID evaluates.