trzfc3a.tmp

Dragon Branch

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file trzfc3a.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:
1.0.5880.16756

MD5:
b3aae4fe4736b400bfe75261d9258acc

SHA-1:
465d38043fdb7551e2b33edf1c8fd16e19846c03

SHA-256:
526b7d47f60674377498a5056cb9fee7af34a3df672a4ffcca7c16fc244342e7

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:
8/4/2020 7:09:29 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.16.2

File size:
1.3 MB (1,391,888 bytes)

Product version:
1.0.5880.16756

Common path:
C:\ProgramData\b56dff5a-df23-4e43-acde-a4f08b8dcffb\plugincontainer\trzfc3a.tmp

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

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

Valid to:
3/12/2016 2:59:59 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:
2/6/2016 8:18:48 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x40B5D5A

Entry point:
E8, D9, 94, 01, 00, E9, 39, FE, FF, FF, CC, CC, CC, CC, 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, 40, 70, 40, 0C, 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, 07, 40, 0C, 01, 0F, 82, 0C, 96, 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...
 
[+]

Entropy:
6.6320

Code size:
1.1 MB (1,147,392 bytes)

Remove trzfc3a.tmp - Powered by Reason Core Security