home

ef8a64.dll

UpperFind

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module ef8a64.dll, “TODO: <File description>” by UpperFind has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
TODO: <Company name>  (signed by UpperFind)

Description:
TODO: <File description>

Version:
4.0.0.3

MD5:
4fc04271fe9cf3c9213dbd92593045d1

SHA-1:
059d589638769661e9d0aec6b2e8e9d0af485788

SHA-256:
f07913e3b1f10e935c7f48de0de2efa9d1cc83b940dcd5d9f03ef45a9ceb47c7

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:
5/20/2024 3:49:32 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.10.26.12

File size:
250.4 KB (256,424 bytes)

Product version:
4.0.0.3

Copyright:
TODO: (c) <Company name>. All rights reserved.

File type:
Dynamic link library (Win64 DLL)

Language:
English (United States)

Common path:
C:\Program Files\upperfind\bin\ef8a64.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 9:51:28 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:ir72S8iPKc/27KjT/ZwnNBTVOTBBUy3wqqwkMss:072+Kc/XjT6jGAqqa

Entry address:
0x1A090

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, 60, 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, 48, 8D, 05, 49, 62, 00, 00, 48, 8D, 0D, 92, 6D, 00, 00, 48, 89, 05, C3, 01, 02, 00, 48, 8D, 05, 24, 62, 00, 00, 48, 89, 0D, AD, 01, 02, 00, 48, 89, 05, B6, 01, 02, 00, 48, 8D, 05, 17, 62, 00, 00, 48, 89, 0D, C0, 01, 02, 00, 48, 89, 05, A9, 01, 02, 00, 48...
 
[+]

Code size:
156.5 KB (160,256 bytes)

Remove ef8a64.dll - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.