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nsbes_oursurfing.exe

4475_nsbes_oursurfing

Shulan Hou

The application nsbes_oursurfing.exe by Shulan Hou has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from d2drfrdurj6mvo.cloudfront.net.
Publisher:
Welnk.com  (signed by Shulan Hou)

Product:
4475_nsbes_oursurfing

Description:
Welnk

Version:
6.6.86.1658

MD5:
820948d6513aa615fea38b833539bff9

SHA-1:
8ef0d0c2b7e7ead207d99f197a2d130c1461cbb7

SHA-256:
2610d6b80a294f070cb5008665649e7b3146613115cbc7969be437e94ce300a5

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
5/16/2024 4:32:50 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX.ShulanHou (M)
16.1.13.3

File size:
525.6 KB (538,208 bytes)

Product version:
6.6.86.1658

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\inetcache\ie\{random}\nsbes_oursurfing.exe

Digital Signature
Signed by:
Shulan Hou

Authority:
DigiCert Inc

Valid from:
12/24/2014 1:00:00 AM

Valid to:
1/6/2016 1:00:00 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 12:40:17 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:x8mcA2lifE6xGSRRVo6TUHZEQQIFUyU0YcE:q9lipGSdouU5RQwR1E

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...
 
[+]

Code size:
360 KB (368,640 bytes)

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

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

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