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trz188a.tmp

Discovery App

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file trz188a.tmp by Discovery App has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Discovery App  (signed and verified)

Version:
1.0.5894.16751

MD5:
5fa7b1a5c953aaff76f1983237236fb7

SHA-1:
fa9928acec2b100343bebaafecfe84f8dffab08f

SHA-256:
53a348c35fdbbf8ff313420a41ca060539ce5a195bcb6fbb989026e54df90a11

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:
4/19/2024 9:22:45 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.15.13

File size:
782.8 KB (801,552 bytes)

Product version:
1.0.5894.16751

Language:
English (United States)

Common path:
C:\ProgramData\7d981f9d-43ff-4844-a2f8-499114283074\plugins\3\trz188a.tmp

Digital Signature
Signed by:
Discovery App

Authority:
VeriSign, Inc.

Valid from:
3/25/2015 8:00:00 AM

Valid to:
3/25/2016 7:59:59 AM

Subject:
CN=Discovery App, O=Discovery App, L=San Diego, 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:
510E3F5ACE52C22C76DC87DB7D1FCCE8

File PE Metadata
Compilation timestamp:
2/21/2016 1:18:58 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x5DDFF

Entry point:
E8, 07, 07, 00, 00, E9, 80, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, 51, 8D, 4C, 24, 08, 2B, C8, 83, E1, 0F, 03, C1, 1B, C9, 0B, C1, 59, E9, 4A, 08, 00, 00, 51, 8D, 4C, 24, 08, 2B, C8, 83, E1, 07, 03, C1, 1B, C9, 0B, C1, 59, E9, 34, 08, 00, 00, 8B, 4D, F4, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51, F2, C3, 8B, 4D, F0, 33, CD, F2, E8, D8, F4, FF, FF, F2, E9, DA, FF, FF, FF, 8B, 4D, EC, 33, CD, F2, E8, C7, F4, FF, FF, F2, E9, C9, FF, FF, FF, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C...
 
[+]

Entropy:
6.6338

Code size:
631 KB (646,144 bytes)

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