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upfst_my_2.exe

TUTO4PC COM INTERNATIONAL SL

This is part of the Eorezo downloader which may bundle additional offers on the PC, mostly adware and other potentially unwanted software. The application upfst_my_2.exe by TUTO4PC COM INTERNATIONAL SL has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
TUTO4PC COM INTERNATIONAL SL  (signed and verified)

MD5:
ac0b727ebbf3d70b9d20ddf58de82db0

SHA-1:
65aaf2ec42a5f2a7e6a5cb7b0eb9b6f0b5c1cec0

SHA-256:
eb118bd072734201f01087a3c121f4cac30eaf990043ebf53253f2360fda636e

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/26/2024 3:42:06 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Eorezo.TUTO4PCCOMINTERNATIONAL (M)
16.2.14.0

File size:
3 MB (3,154,416 bytes)

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\fst_my_2\upfst_my_2.exe

Digital Signature
Signed by:
TUTO4PC COM INTERNATIONAL SL

Authority:
GlobalSign nv-sa

Valid from:
6/26/2013 8:19:10 PM

Valid to:
6/27/2014 8:19:10 PM

Subject:
E=contact@tutoriales100.com, CN=TUTO4PC COM INTERNATIONAL SL, O=TUTO4PC COM INTERNATIONAL SL, L=BARCELONA, S=CATALUNYA, C=ES

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121E6FBF47B55F81EDBA70D3D2CA03E568F

File PE Metadata
Compilation timestamp:
11/13/2013 6:44:32 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
98304:xlN3lWCmc52ijPTDyMverRlDZ/CtlzeYT84K00B26jQAkymCcX16c:jN1D/NtJTGzXcnymCc

Entry address:
0x1D2EAD

Entry point:
E8, 64, B9, 00, 00, E9, 89, FE, FF, FF, 8B, C1, 83, 60, 04, 00, C7, 00, 58, 64, 67, 00, C6, 40, 08, 00, C3, 8B, FF, 55, 8B, EC, 8B, C1, 8B, 4D, 08, C7, 00, 58, 64, 67, 00, 8B, 09, 89, 48, 04, C6, 40, 08, 00, 5D, C2, 08, 00, 8B, 41, 04, 85, C0, 75, 05, B8, 60, 64, 67, 00, C3, 8B, FF, 55, 8B, EC, 83, 7D, 08, 00, 57, 8B, F9, 74, 2D, 56, FF, 75, 08, E8, E7, 18, 00, 00, 8D, 70, 01, 56, E8, 4A, 1F, 00, 00, 59, 59, 89, 47, 04, 85, C0, 74, 11, FF, 75, 08, 56, 50, E8, 9F, 22, 00, 00, 83, C4, 0C, C6, 47, 08, 01, 5E...
 
[+]

Entropy:
6.5803

Code size:
2.2 MB (2,276,352 bytes)

Startup File (All Users Run Once)
Registry location:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce

Name:
upfst_my_2.exe

Command:
C:\users\{user}\appdata\local\fst_my_2\upfst_my_2.exe -runonce


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