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f8optudh.exe

OOO

The application f8optudh.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:
ef0ce75ce26db148224ded53ceb1dab8

SHA-1:
6db87e865ad2986ca0e1afac73d8651813c0a9ab

SHA-256:
ffb3fc00b3dad59d33f4b8ab4c60d6ffa38fba7aa09661d8c1570f628de6af0e

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:
5/2/2024 5:20:06 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.2.2.15

File size:
557.6 KB (570,968 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\youtube adblock\ieef\f8optudh.exe

Digital Signature
Signed by:
OOO

Authority:
thawte, Inc.

Valid from:
6/28/2016 7:00:00 AM

Valid to:
2/17/2017 6:59:59 AM

Subject:
CN="OOO ""STROITELNO-TORGOVAJA KOMPANIJA ""KANT""", O="OOO ""STROITELNO-TORGOVAJA KOMPANIJA ""KANT""", L=Moskva, S=Moskva, C=RU

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
2942AEB661F69FA55973CDACCF81A6FE

File PE Metadata
Compilation timestamp:
8/11/2016 6:17:56 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x5E71C

Entry point:
E8, FB, 89, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 83, EC, 20, 56, 57, 6A, 08, 59, BE, 0C, 35, 47, 00, 8D, 7D, E0, F3, A5, 8B, 75, 0C, 8B, 7D, 08, 85, F6, 74, 13, F6, 06, 10, 74, 0E, 8B, 0F, 83, E9, 04, 51, 8B, 01, 8B, 70, 18, FF, 50, 20, 89, 7D, F8, 89, 75, FC, 85, F6, 74, 0C, F6, 06, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, F8, 20, 47, 00, 5F, 5E, 8B, E5, 5D, C2, 08, 00, 8B, 4D, F4, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51...
 
[+]

Entropy:
6.6164

Code size:
450 KB (460,800 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to ec2-54-191-37-167.us-west-2.compute.amazonaws.com  (54.191.37.167:80)

TCP (HTTP):
Connects to ec2-54-191-155-6.us-west-2.compute.amazonaws.com  (54.191.155.6:80)

TCP (HTTP):
Connects to ec2-54-186-160-224.us-west-2.compute.amazonaws.com  (54.186.160.224:80)

TCP (HTTP):
Connects to ec2-52-24-242-147.us-west-2.compute.amazonaws.com  (52.24.242.147:80)

TCP (HTTP):
Connects to ec2-52-10-182-4.us-west-2.compute.amazonaws.com  (52.10.182.4:80)

TCP (HTTP):
Connects to server-54-192-130-89.ams50.r.cloudfront.net  (54.192.130.89:80)

TCP (HTTP):
Connects to ec2-52-26-189-217.us-west-2.compute.amazonaws.com  (52.26.189.217:80)

TCP (HTTP):
Connects to server-54-230-81-141.mia50.r.cloudfront.net  (54.230.81.141:80)

TCP (HTTP):
Connects to server-54-230-216-127.mrs50.r.cloudfront.net  (54.230.216.127:80)

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