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ef8a89a77464.dll

UpperFind

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module ef8a89a77464.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:
4b06d8210b0c33d5ef6261d7c917e502

SHA-1:
2a0356851c55d0c898794db74e0d492ab4eb4ed6

SHA-256:
e8f96d0c72dc4d5cf9f0a0afb30f1b9b0137a2bb919333ccb6636ee696450695

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:
6/1/2024 8:42:44 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.10.26.12

File size:
191.9 KB (196,520 bytes)

File type:
Dynamic link library (Win64 DLL)

Common path:
C:\Program Files\upperfind\bin\ef8a89a77464.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 9:51:18 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:MA1XP7yRbjzwzYZFmxAHqTtc4bSJKL/z72MKBL/xHnKGrIHAFCCyr8n0jj:MqXmdzkYZFmxXTtHSJKL/z6LBL/xHnK/

Entry address:
0x11748

Entry point:
48, 89, 5C, 24, 08, 48, 89, 74, 24, 10, 57, 48, 83, EC, 20, 49, 8B, F8, 8B, DA, 48, 8B, F1, 83, FA, 01, 75, 05, E8, 2F, 61, 00, 00, 4C, 8B, C7, 8B, D3, 48, 8B, CE, 48, 8B, 5C, 24, 30, 48, 8B, 74, 24, 38, 48, 83, C4, 20, 5F, E9, A7, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 66, 66, 0F, 1F, 84, 00, 00, 00, 00, 00, 48, 8B, C1, 49, 83, F8, 08, 72, 53, 0F, B6, D2, 49, B9, 01, 01, 01, 01, 01, 01, 01, 01, 49, 0F, AF, D1, 49, 83, F8, 40, 72, 1E, 48, F7, D9, 83, E1, 07, 74, 06...
 
[+]

Code size:
128 KB (131,072 bytes)

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