trzd38a.tmp

Mountain Bike

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file trzd38a.tmp by Mountain Bike has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Mountain Bike  (signed and verified)

MD5:
2f15555324178ab3ffd75d6dc22c283b

SHA-1:
ac0fbdfd53eb010f54b19e9b9c926f798cf4da41

SHA-256:
d4e837d289a7a568961e484a93c38f4699bdaa6c6aeec0090b28e592eac700fc

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:
11/23/2024 9:59:20 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.12.3

File size:
345.2 KB (353,528 bytes)

Common path:
C:\Program Files\mountain bike\bin\trzd38a.tmp

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
1/11/2015 1:00:00 AM

Valid to:
1/12/2016 12:59:59 AM

Subject:
CN=Mountain Bike, O=Mountain Bike, 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:
25B97080EDAA57F7AD57607CEEA9C13E

File PE Metadata
Compilation timestamp:
5/13/2015 12:42:09 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows Console

Linker version:
10.0

Entry address:
0x258F0

Entry point:
48, 83, EC, 28, E8, 77, 94, 00, 00, 48, 83, C4, 28, E9, 76, FE, FF, FF, CC, CC, 4C, 8D, 0D, 45, AD, 02, 00, 33, C0, 49, 8B, D1, 44, 8D, 40, 08, 3B, 0A, 74, 2B, FF, C0, 49, 03, D0, 83, F8, 2D, 72, F2, 8D, 41, ED, 83, F8, 11, 77, 06, B8, 0D, 00, 00, 00, C3, 81, C1, 44, FF, FF, FF, B8, 16, 00, 00, 00, 83, F9, 0E, 41, 0F, 46, C0, C3, 48, 98, 41, 8B, 44, C1, 04, C3, CC, 48, 83, EC, 28, E8, DB, 5E, 00, 00, 48, 85, C0, 75, 09, 48, 8D, 05, 57, AE, 02, 00, EB, 04, 48, 83, C0, 10, 48, 83, C4, 28, C3, 48, 83, EC, 28...
 
[+]

Code size:
233 KB (238,592 bytes)

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