buzz_oursurfing.exe

4411_buzz_oursurfing

Yuxin WANG

The application buzz_oursurfing.exe by Yuxin WANG has been detected as adware by 2 anti-malware scanners. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from d2drfrdurj6mvo.cloudfront.net.
Publisher:
Welnk.com  (signed by Yuxin WANG)

Product:
4411_buzz_oursurfing

Description:
Welnk

Version:
6.6.86.1652

MD5:
51dfc4f94e4ddc38d7727282cd0d0681

SHA-1:
2ba318cbebfc717d100bef186e96c1f5e9bdc550

SHA-256:
b87c5ac4913fb9cd53c59e02ef6ac7640cc9157d306de502448f97046aa97a34

Scanner detections:
2 / 68

Status:
Adware

Analysis date:
6/17/2024 5:17:55 PM UTC  (today)

Scan engine
Detection
Engine version

Malwarebytes
PUP.Optional.OurSeaching.A
v2015.08.16.09

Reason Heuristics
PUP.ELEX.YuxinWANG (M)
15.8.24.17

File size:
261.8 KB (268,096 bytes)

Product version:
6.6.86.1652

Copyright:
Copyright (C) Welnk 2006

Original file name:
WeLink.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\buzz_oursurfing.exe

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
8/13/2015 8:00:00 AM

Valid to:
8/13/2017 7:59:59 AM

Subject:
CN=Yuxin WANG, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
7E139A7B7017995B5B87896DDDA95102

File PE Metadata
Compilation timestamp:
8/13/2015 7:50:50 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:vp9GllVhCX5stCEvgtgYkjvkSIX7I+C2Jvm+7SckrdfXxkf4p6NBh:RMlimegQSIX7I+1vm+776U4p0

Entry address:
0x124A4

Entry point:
E8, 83, 9F, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 30, 74, 42, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 50, 71, 42, 00, C9, C2, 08, 00, CC, CC, CC, CC, CC, CC, 8B, 4C, 24, 04, F7, C1, 03, 00, 00, 00, 74, 24, 8A, 01, 83, C1, 01, 84, C0, 74, 4E, F7, C1, 03, 00, 00, 00, 75, EF, 05, 00, 00, 00, 00, 8D, A4...
 
[+]

Entropy:
6.2234

Code size:
151 KB (154,624 bytes)

The file buzz_oursurfing.exe has been seen being distributed by the following URL.

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