constasurf.purbrowse64.exe

ConstaSurf

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application constasurf.purbrowse64.exe by ConstaSurf has been detected as adware by 16 anti-malware scanners. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
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Publisher:
ConstaSurf  (signed and verified)

MD5:
3b11ae1f0d55f0284b102161134c7f8c

SHA-1:
d52800a4997067118399407a01159be010050c72

SHA-256:
9da3735ec07f3134fa30965b1aab85282bc8f44beeec7747c7596dbb64ed4972

Scanner detections:
16 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
12/4/2016 5:35:14 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.N
969

Agnitum Outpost
PUA.LinkSwift
7.1.1

Antiy Labs AVL
GrayWare[AdWare:not-a-virus]/Win32.LinkSwift
1.0.0.1

AVG
BrowseFox.A
2015.0.3447

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.14610

Bitdefender
Adware.SwiftBrowse.N
1.0.20.805

Emsisoft Anti-Malware
Adware.SwiftBrowse.N
8.14.06.10.01

ESET NOD32
Win64/BrowseFox (variant)
8.9919

F-Secure
Adware.SwiftBrowse.N
11.2014-10-06_3

G Data
Adware.SwiftBrowse
14.6.24

IKARUS anti.virus
AdWare.BrowseFox
t3scan.1.6.1.0

Jiangmin
AdWare/LinkSwift.bl
KV140610

MicroWorld eScan
Adware.SwiftBrowse.N
15.0.0.483

nProtect
Adware.SwiftBrowse.N
14.06.09.01

Reason Heuristics
Adware.Yontoo.ConstaSurf.V
14.6.10.13

VIPRE Antivirus
Trojan.Win32.Generic
30130

Remove constasurf.purbrowse64.exe - Powered by Reason Core Security
File size:
280.3 KB (287,008 bytes)

File type:
Executable application (Win64 EXE)

Common path:
C:\Program Files\constasurf\bin\constasurf.purbrowse64.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
3/18/2014 7:00:00 PM

Valid to:
3/19/2015 6:59:59 PM

Subject:
CN=ConstaSurf, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=ConstaSurf, L=Santa Monica, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
46A82C62F93896A2C29C94EC6C4D8A3D

File PE Metadata
Compilation timestamp:
4/7/2014 9:22:58 PM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows Console

Linker version:
10.0

CTPH (ssdeep):
6144:TICH0pAvY1Q5vQhQc4BHi4zQqATmr7D647YGTB95k2asmNoNN:MCH0pQhQm7EWJ7YGTPW3sz

Entry address:
0x20140

Entry point:
48, 83, EC, 28, E8, 53, 77, 00, 00, 48, 83, C4, 28, E9, 76, FE, FF, FF, CC, CC, 48, 89, 5C, 24, 10, 48, 89, 7C, 24, 18, 55, 48, 8B, EC, 48, 83, EC, 60, 48, 8B, FA, 48, 8B, D9, 48, 8D, 4D, C0, 48, 8D, 15, 49, 05, 01, 00, 41, B8, 40, 00, 00, 00, E8, 8E, E4, FF, FF, 48, 8D, 55, 10, 48, 8B, CF, 48, 89, 5D, E8, 48, 89, 7D, F0, E8, 0E, 99, 00, 00, 4C, 8B, D8, 48, 89, 45, 10, 48, 89, 45, F8, 48, 85, FF, 74, 1B, F6, 07, 08, B9, 00, 40, 99, 01, 74, 05, 89, 4D, E0, EB, 0C, 8B, 45, E0, 4D, 85, DB, 0F, 44, C1, 89, 45...
 
[+]

Entropy:
6.3009

Code size:
185 KB (189,440 bytes)

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