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updater.bak

browse pulse

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

Version:
1.0.5590.20959

MD5:
50c85f840c2a5a290e2ea0445007a071

SHA-1:
9ff8740b9f04e2eeff11e32e933152483457be50

SHA-256:
9070474391d8b7911d38b1397fe5ec84372f133a8de5b28577ed666c3ab1c3df

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:
4/26/2024 5:20:43 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.browsepulse (M)
16.2.15.19

File size:
466.3 KB (477,456 bytes)

Product version:
1.0.5590.20959

Language:
English (United States)

Common path:
C:\Program Files\common files\5b4b2b13-bc3c-4690-a9ac-2f28c7e74c15\updater.bak

Digital Signature
Signed by:
browse pulse

Authority:
VeriSign, Inc.

Valid from:
3/5/2015 5:00:00 PM

Valid to:
3/5/2016 4:59:59 PM

Subject:
CN=browse pulse, O=browse pulse, 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:
57CD114A677C4F8533B1413CC2EF840F

File PE Metadata
Compilation timestamp:
4/22/2015 12:38:45 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:YbxacKGWmx4ndZ1EoHfQtSSYe/ZnpFO6cS:6slKx2dLB/4ShYZpFc

Entry address:
0x24192

Entry point:
E8, BE, E7, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 56, 8B, 75, 08, 83, 3C, F5, 30, D5, 46, 00, 00, 75, 13, 56, E8, 71, 00, 00, 00, 59, 85, C0, 75, 08, 6A, 11, E8, B8, 47, 00, 00, 59, FF, 34, F5, 30, D5, 46, 00, FF, 15, 48, 41, 45, 00, 5E, 5D, C3, 56, 57, BE, 30, D5, 46, 00, 8B, FE, 53, 8B, 1F, 85, DB, 74, 17, 83, 7F, 04, 01, 74, 11, 53, FF, 15, 80, 41, 45, 00, 53, E8, C6, A6, FF, FF, 83, 27, 00, 59, 83, C7, 08, 81, FF, 50, D6, 46, 00, 7C, D8, 5B, 83, 3E, 00, 74, 0E, 83, 7E, 04, 01, 75, 08, FF, 36, FF, 15...
 
[+]

Entropy:
6.5721

Code size:
329.5 KB (337,408 bytes)

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