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filesystemdriver_upgrade.exe

OOO

The application filesystemdriver_upgrade.exe by OOO has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
OOO   (signed and verified)

MD5:
6478e24a1e9c7134e6c096dfc690a80b

SHA-1:
332ade0d0e2077e526f589e1aa34111afea15769

SHA-256:
84781aff11168fe4ef8423a92a013e3a6f4e0e93c8cde4ece26a0abd6eba6618

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:
7/13/2025 1:56:16 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.3.1.21

File size:
793 KB (812,032 bytes)

File type:
Executable application (Win32 EXE)

Language:
Russian (Russia)

Common path:
C:\ProgramData\microsoft\windows\wer\reportqueue\appcrash_msmpeng.exe_5456fb7bf561fada5278c577adcbff53442426e_cab_155fa58a\filesystemdriver_upgrade.exe

Digital Signature
Signed by:
OOO

Authority:
COMODO CA Limited

Valid from:
1/25/2017 8:00:00 AM

Valid to:
7/8/2017 7:59:59 AM

Subject:
CN="OOO ""Port-Prom""", O="OOO ""Port-Prom""", STREET="d. 33 str. 1, ul.1-Ya Brestskaya", L=Moscow, S=Moscow, PostalCode=125047, C=RU

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00FD1BF044DB1DBEFCC734DB43DD0B694B

File PE Metadata
Compilation timestamp:
2/18/2017 5:52:26 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x14F1

Entry point:
55, 8B, EC, 6A, FF, 68, 20, E1, 40, 00, 68, 4C, 2D, 40, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 58, 53, 56, 57, 89, 65, E8, FF, 15, 7C, E0, 40, 00, 33, D2, 8A, D4, 89, 15, AC, 02, 4C, 00, 8B, C8, 81, E1, FF, 00, 00, 00, 89, 0D, A8, 02, 4C, 00, C1, E1, 08, 03, CA, 89, 0D, A4, 02, 4C, 00, C1, E8, 10, A3, A0, 02, 4C, 00, 33, F6, 56, E8, C8, 16, 00, 00, 59, 85, C0, 75, 08, 6A, 1C, E8, B0, 00, 00, 00, 59, 89, 75, FC, E8, 08, 15, 00, 00, FF, 15, 78, E0, 40, 00, A3, C4, 17, 4C, 00, E8...
 
[+]

Entropy:
6.6514

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
52 KB (53,248 bytes)

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