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WeLink.exe

4483_cmi_mystartsearch

Shulan Hou

The file WeLink.exe by Shulan Hou has been detected as adware by 10 anti-malware scanners. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from 113.171.224.178 and multiple other hosts.
Publisher:
Welnk.com  (signed by Shulan Hou)

Product:
4483_cmi_mystartsearch

Description:
Welnk

Version:
6.6.86.1658

MD5:
96b8e19f4dcf86d1ef69881780c1692f

SHA-1:
50ca4544b4f0de3d20783e94b719d387889a4430

SHA-256:
6469db9e0a8be9a29125c27de4ea300b6f0a1ad17380aa119af5d5f15e1843b7

Scanner detections:
10 / 68

Status:
Adware

Analysis date:
5/16/2024 10:21:52 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/ELEX.A.138
8.3.2.2

avast!
Win32:PUP-gen [PUP]
2014.9-150916

Dr.Web
Adware.Mutabaha.666
9.0.1.0259

ESET NOD32
Win32/ELEX.EP potentially unwanted
9.12232

F-Secure
Application.Elex.I
11.2015-16-09_4

Malwarebytes
PUP.Optional.OurSeaching
v2015.09.16.12

Microsoft Security Essentials
BrowserModifier:Win32/SupTab
1.1.12002.0

Reason Heuristics
PUP.ELEX.ShulanHou (M)
15.8.17.9

Sophos
Generic PUA AP (PUA)
4.98

VIPRE Antivirus
Trojan.Win32.Generic
43638

File size:
525.6 KB (538,208 bytes)

Product version:
6.6.86.1658

Copyright:
Copyright (C) Welnk 2006

Original file name:
WeLink.exe

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\nsha539.tmp

Digital Signature
Signed by:
Shulan Hou

Authority:
DigiCert Inc

Valid from:
12/24/2014 4:00:00 AM

Valid to:
1/6/2016 4:00:00 PM

Subject:
CN=Shulan Hou, O=Shulan Hou, L=Dingzhou, S=Hebei, C=CN

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

Serial number:
0F53BEA8A702FF6F4D98547A190C3464

File PE Metadata
Compilation timestamp:
8/16/2015 2:40:17 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:y8mcA2lifE6xGSRRVo6TUHZEQQIFUyU0Yc4:x9lipGSdouU5RQwR14

Entry address:
0xFB74

Entry point:
E8, 57, CD, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 70, B5, 45, 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, FC, B1, 45, 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:
6.4047

Code size:
360 KB (368,640 bytes)

The file WeLink.exe has been seen being distributed by the following 2 URLs.

http://113.171.224.178/.../cmi_mystartsearch.exe

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

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