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flash_upgrade.exe

Sapo

The application flash_upgrade.exe by Sapo has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from cdnfiles.4shared.com and multiple other hosts.
Publisher:
Sapo  (signed and verified)

Description:
Magnoos pit

Version:
7.5.0.1

MD5:
991b61a855a52a8c0edb6322cc5fc7a9

SHA-1:
95b805a4a11b5c9a5e23787600ac094d87596a05

SHA-256:
3392d7ebc60f2ff374641a0bb04a29b5bccc232124b7f9224d6acd1e22db0e99

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/6/2024 2:02:17 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Sapo (M)
16.4.22.16

File size:
987.9 KB (1,011,640 bytes)

Product version:
3.3.14.2

Copyright:
Approved by Nioge

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\flash_upgrade.exe

Digital Signature
Signed by:
Sapo

Authority:
Sapo

Valid from:
4/4/2016 8:12:13 PM

Valid to:
4/5/2017 8:12:13 PM

Subject:
CN=sapo.pt, O=Sapo, L=Lisboa, S=Lisboa, C=PT

Issuer:
CN=sapo.pt, O=Sapo, L=Lisboa, S=Lisboa, C=PT

Serial number:
0099BD1E5F2C546EE6

File PE Metadata
Compilation timestamp:
4/6/2016 1:04:34 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:ECdOy3vVrKxR5CXbNjAOxK/j2n+4YG/6c1mFFja3mXgcjfRlgsUBga0pyokzQ:ECdxte/80jYLT3U1jfsWackzQ

Entry address:
0x27F4A

Entry point:
E8, B8, D0, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 57, 56, 8B, 74, 24, 10, 8B, 4C, 24, 14, 8B, 7C, 24, 0C, 8B, C1, 8B, D1, 03, C6, 3B, FE, 76, 08, 3B, F8, 0F, 82, 68, 03, 00, 00, 0F, BA, 25, FC, 31, 4C, 00, 01, 73, 07, F3, A4, E9, 17, 03, 00, 00, 81, F9, 80, 00, 00, 00, 0F, 82, CE, 01, 00, 00, 8B, C7, 33, C6, A9, 0F, 00, 00, 00, 75, 0E, 0F, BA, 25, 24, E3, 4B, 00, 01, 0F, 82, DA, 04, 00, 00, 0F, BA, 25, FC, 31, 4C, 00, 00, 0F, 83, A7, 01, 00, 00, F7, C7, 03, 00, 00, 00...
 
[+]

Code size:
567.5 KB (581,120 bytes)

The file flash_upgrade.exe has been seen being distributed by the following 2 URLs.

http://cdnfiles.4shared.com/web/cdn/popular/download/wDAbxgiiba?contDisp=attachment; filename="Flash_Upgrade.exe"; filename*=utf-8''Flash_Upgrade.exe&contType=APPLICATION/.../

http://www.4shared.com/.../wDAbxgiiba?lgfp=3000&dsid=fu0n0v.81b9d937bfa9168cc96cddc4ada708a8&sbsr=decd3a2fdb6604bcb7130498eb25900296d&usbsr=09f6edf1daf19550d6895463fbd93fb996d

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