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WeLink.exe

4500_cmi_mystartsearch

Fuyuan Zhou

The file WeLink.exe by Fuyuan Zhou has been detected as adware by 5 anti-malware scanners. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from d2drfrdurj6mvo.cloudfront.net.
Publisher:
Welnk.com  (signed by Fuyuan Zhou)

Product:
4500_cmi_mystartsearch

Description:
Welnk

Version:
6.6.86.1652

MD5:
85d6d65ac84746d6a0a46428825f41f8

SHA-1:
6a649ce9aaf4187691d5764de66fd97963f8ad80

SHA-256:
69533bb3f9a2adb8d5612374bd25cbcd3ceced4d3643c1ef6982ebcb33f504b7

Scanner detections:
5 / 68

Status:
Adware

Analysis date:
12/26/2024 7:35:17 AM UTC  (today)

Scan engine
Detection
Engine version

Bkav FE
W32.HfsAdware
1.3.0.7062

Dr.Web
Adware.Mutabaha.597
9.0.1.0231

Malwarebytes
PUP.Optional.MyStartSearch.ShrtCln
v2015.08.19.06

NANO AntiVirus
Riskware.Win32.Mutabaha.dvinmw
0.30.24.3079

Reason Heuristics
PUP.FuyuanZhou (M)
15.8.19.6

File size:
263.1 KB (269,408 bytes)

Product version:
6.6.86.1652

Copyright:
Copyright (C) Welnk 2006

Original file name:
WeLink.exe

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\nsh9273.tmp

Digital Signature
Signed by:
Fuyuan Zhou

Authority:
DigiCert Inc

Valid from:
1/15/2015 7:00:00 AM

Valid to:
1/20/2016 7:00:00 PM

Subject:
CN=Fuyuan Zhou, O=Fuyuan Zhou, L=Jilin, S=Jilin, C=CN

Issuer:
CN=DigiCert SHA2 Assured ID Code Signing CA, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0933772030CFD7E6A3D0D1959D875688

File PE Metadata
Compilation timestamp:
8/13/2015 6:50:50 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:Mp9GllVhCX5stCEvgtgYkjvkSIX7I+C2Jvm+7SckrdfXxkf4p6JO:SMlimegQSIX7I+1vm+776U4p1

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:
6.2118

Code size:
151 KB (154,624 bytes)

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

http://d2drfrdurj6mvo.cloudfront.net/.../cmi_mystartsearch.exe

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