{1f4b5620-194a-4674-8b2b-8adf5cf2969c}.dll

Match Pal

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module {1f4b5620-194a-4674-8b2b-8adf5cf2969c}.dll by Match Pal has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory.
Publisher:
Match Pal  (signed and verified)

Version:
1.0.5778.40348

MD5:
1278009a03618b0fb60c68341708b6ed

SHA-1:
d5a57883464fc9047d5428053747d2035e075e24

SHA-256:
7625c04bebf62d8bd2d4c906c048106d5e3ee6dfcd58a8e36ccdf935495be919

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:
9/30/2020 7:54:22 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.23.19

File size:
496.8 KB (508,680 bytes)

Product version:
1.0.5778.40348

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{1f4b5620-194a-4674-8b2b-8adf5cf2969c}.dll

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
12/22/2014 1:00:00 AM

Valid to:
12/23/2015 12:59:59 AM

Subject:
CN=Match Pal, O=Match Pal, L=Los Angeles, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
688030F7F80E707312A7C683AA21A12E

File PE Metadata
Compilation timestamp:
10/28/2015 6:25:06 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x18AD8

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, BA, 9B, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, 10, CD, 04, 10, E8, A9, 22, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, AC, 83, 07, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 90, 39, 04, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
253.5 KB (259,584 bytes)

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