trzf68f.tmp

Dragon Branch

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file trzf68f.tmp by Dragon Branch has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Dragon Branch  (signed and verified)

Version:
1.0.5756.3160

MD5:
7d89419495fe505e0d3a5cd3d408c02c

SHA-1:
b9515511ca83570a303d979a6f7e65d89c71ca45

SHA-256:
64dd6d8c002a94f087ad82330114d87a1a9beba9fa555f2499b84f5d60d274cb

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:
7/13/2020 12:22:44 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.15.18

File size:
967.8 KB (990,992 bytes)

Product version:
1.0.5756.3160

Language:
English (United States)

Common path:
C:\ProgramData\b56dff5a-df23-4e43-acde-a4f08b8dcffb\plugins\7\trzf68f.tmp

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
3/12/2015 6:00:00 AM

Valid to:
3/12/2016 5:59:59 AM

Subject:
CN=Dragon Branch, O=Dragon Branch, 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:
19F5D4497933566E59B41EAD8B41CB60

File PE Metadata
Compilation timestamp:
10/5/2015 2:45:29 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x6931E

Entry point:
E8, E2, 88, 01, 00, E9, 39, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 7F, 0F, B6, 44, 24, 08, 0F, BA, 25, 00, BC, 4E, 00, 01, 73, 0D, 8B, 4C, 24, 0C, 57, 8B, 7C, 24, 08, F3, AA, EB, 5D, 8B, 54, 24, 0C, 81, FA, 80, 00, 00, 00, 7C, 0E, 0F, BA, 25, 70, 57, 4E, 00, 01, 0F, 82, 19, 8A, 01, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83...
 
[+]

Entropy:
6.5792

Code size:
791 KB (809,984 bytes)

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