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ef8a89a774.dll

UpperFind

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module ef8a89a774.dll by UpperFind has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
UpperFind  (signed and verified)

MD5:
5e13c7ffc3fb0e1ed14180a31d930fd2

SHA-1:
c020290ef68d7635b1708e65115ee16efee56881

SHA-256:
ab2d25beae588b752414d8f42b863bb683e2acd3e726222751cdd228436fc262

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
6/2/2024 2:20:10 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.10.26.12

File size:
192.4 KB (197,032 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\upperfind\bin\ef8a89a774.dll

Digital Signature
Signed by:
UpperFind

Authority:
Symantec Corporation

Valid from:
7/15/2015 9:00:00 PM

Valid to:
9/13/2016 8:59:59 PM

Subject:
CN=UpperFind, O=UpperFind, L=Santa Monica, S=California, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
30FD71FDC67AB01DA120C1E3EFFD9828

File PE Metadata
Compilation timestamp:
1/11/2015 9:50:50 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:XNbpOnPsGqQTruHLD7RcQxKrrdNU0VAtrOpOOWxOv4Kn7qbjx7T/HrmuV:XNbqaLD7RcukVAtSQOWcgWqbV77Lmw

Entry address:
0x115D2

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 0C, 91, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 9C, 53, 02, 10, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 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, 34, 50, 02, 10, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64...
 
[+]

Code size:
143.5 KB (146,944 bytes)

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