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nsrab4a.tmp

4353_face_istartsurf

Shulan Hou

The file nsrab4a.tmp by Shulan Hou has been detected as adware by 7 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:
7th  (signed by Shulan Hou)

Product:
4353_face_istartsurf

Description:
7th

Version:
7,0,0,2741

MD5:
870867bfaf96b6565508415a71fb9bc5

SHA-1:
28446ff3ea7d6f6f6a481656aceacffa715a8fae

SHA-256:
099cbc2f9838df18b35049da9236fa119e8adbaadb76b66bf7e3521c52bfe4c2

Scanner detections:
7 / 68

Status:
Adware

Analysis date:
5/16/2024 3:50:32 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Adware-gen [Adw]
2014.9-150926

Dr.Web
Adware.Mutabaha.597
9.0.1.0236

herdProtect (fuzzy)
variant of amt_oursurfing.exe
2015.9.26.20

Malwarebytes
PUP.Optional.OurSeaching.A
v2015.08.24.09

Microsoft Security Essentials
BrowserModifier:Win32/SupTab
1.1.11903.0

NANO AntiVirus
Riskware.Win32.Mutabaha.dvewga
0.30.24.3079

Reason Heuristics
PUP.ELEX.ShulanHou (M)
15.8.14.8

File size:
349.1 KB (357,472 bytes)

Product version:
7,0,0,2741

Copyright:
7th

Original file name:
7th

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\nsrab4a.tmp

Digital Signature
Signed by:
Shulan Hou

Authority:
DigiCert Inc

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

Valid to:
1/6/2016 12:00:00 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:
8/13/2015 11:36:52 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:alh3qgeGfogcAQIp4+d/qnLpX0NVqO1O/Rzbbw1dpDz+aqYdqA3xTgn3X1iL0uR4:K3qgejxk+Vbs/Dz5/2YL0o4

Entry address:
0x23414

Entry point:
E8, 5E, CF, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 30, 76, 44, 00, E8, 56, 67, 00, 00, E8, 82, 2D, 00, 00, 0F, B7, F0, 6A, 02, E8, F1, CE, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, B2, 63, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Code size:
235.5 KB (241,152 bytes)

The file nsrab4a.tmp has been seen being distributed by the following URL.

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

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