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obw_istartsurf.exe

3447_obw_istartsurf

Fuyuan Zhou

The application obw_istartsurf.exe by Fuyuan Zhou has been detected as adware by 10 anti-malware scanners. This is a setup program which is used to install the application. The file has been seen being downloaded from d2drfrdurj6mvo.cloudfront.net.
Publisher:
HTabp.com  (signed by Fuyuan Zhou)

Product:
3447_obw_istartsurf

Description:
HTabp

Version:
6.6.86.1606

MD5:
527166843ec470b76bcd3295ccf0dcdd

SHA-1:
4cf8de9d25e0b7e8905dcc15d143994af8c8a64d

SHA-256:
2d87f78117ffd2ef8fd44506ed511c184b13cb5be35c9c1b1f90b487bad93547

Scanner detections:
10 / 68

Status:
Adware

Analysis date:
12/25/2024 8:01:03 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

Baidu Antivirus
Adware.Win32.ELEX
4.0.3.1557

Bkav FE
W32.HfsAdware
1.3.0.6979

Dr.Web
Adware.Mutabaha.466
9.0.1.0127

ESET NOD32
Win32/ELEX.CL potentially unwanted (variant)
9.11877

herdProtect (fuzzy)
variant of smt_oursurfing.exe (Adware)
2015.8.5.4

K7 AntiVirus
Adware
13.205.16434

Malwarebytes
PUP.Optional.OurSeaching.A
v2015.05.07.01

Quick Heal
PUA.MSJDGBTIR.OD6
8.15.14.00

Reason Heuristics
Threat.FuyuanZhou
15.5.6.21

File size:
655.6 KB (671,328 bytes)

Product version:
6.6.86.1606

Copyright:
Copyright (C) HTabp.com 2010

Original file name:
HTabp.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:
Fuyuan Zhou

Authority:
DigiCert Inc

Valid from:
1/14/2015 9:00:00 PM

Valid to:
1/20/2016 9:00:00 AM

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:
0B3B021206C00102342FB50C9577E5F7

File PE Metadata
Compilation timestamp:
3/31/2015 4:45:11 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:h/NAXBvXnouRKH2n+tm1h/a14HpXrr8fywqVXTmI:tNgv4uRJnBO1qpXEfylRTmI

Entry address:
0x29EB7

Entry point:
E8, A8, C9, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, D0, 76, 47, 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, A4, 71, 47, 00, C9, C2, 08, 00, 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, 24, 00, 00...
 
[+]

Code size:
468.5 KB (479,744 bytes)

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

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

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