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greygray.purbrowse.exe

GreyGray

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application greygray.purbrowse.exe by GreyGray has been detected as adware by 17 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.
Publisher:
GreyGray  (signed and verified)

MD5:
eee6ed99a5059975ae584d661fc3c2e0

SHA-1:
6fc44a0250b52c4bde49c81dc1a8c3ccc1aabd83

SHA-256:
c1b08dc08c5be724c45e0fd6dc6b1a59260e5b027b0a797baca9e18f54aca86a

Scanner detections:
17 / 68

Status:
Adware

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

Analysis date:
4/18/2024 2:42:14 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.189.64

AVG
GreyGray
2015.0.3277

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141128

Clam AntiVirus
Win.Adware.Swiftbrowse-717
0.98/21511

Comodo Security
Application.Win32.AltBrowse.ZPGI
20215

Dr.Web
Trojan.BPlug.303
9.0.1.05190

ESET NOD32
Win32/BrowseFox.J potentially unwanted application
7.0.302.0

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.8.3.0

K7 AntiVirus
Trojan
13.186.14161

Kaspersky
not-a-virus:HEUR:AdWare.Win32.Kranet
14.0.0.2880

NANO AntiVirus
Riskware.Win32.Kranet.dgxoam
0.28.6.63726

Qihoo 360 Security
Win32/Virus.Adware.708
1.0.0.1015

Reason Heuristics
PUP.GreyGray.R
14.11.28.0

Vba32 AntiVirus
AdWare.LinkSwift
3.12.26.3

VIPRE Antivirus
Threat.4741131
35088

Zillya! Antivirus
Backdoor.PePatch.Win32.52828
2.0.0.1995

File size:
289.3 KB (296,216 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\greygray\bin\greygray.purbrowse.exe

Digital Signature
Signed by:
GreyGray

Authority:
VeriSign, Inc.

Valid from:
9/19/2013 5:00:00 AM

Valid to:
9/20/2015 4:59:59 AM

Subject:
CN=GreyGray, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=GreyGray, L=San Diego, 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:
23FF62A16C638B371A4AB98A8F876E8B

File PE Metadata
Compilation timestamp:
11/27/2014 10:25:55 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
10.0

CTPH (ssdeep):
6144:bk0tnURexVtDLJJtYd1RSWRotvcTB5EQG2YG:Y0tnUReNDLJJtYd1RSWRotvcTr+M

Entry address:
0x213AE

Entry point:
E8, 55, 84, 00, 00, E9, 95, FE, FF, FF, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 88, 34, 44, 00, 74, 13, 41, 83, F9, 2D, 72, F1, 8D, 48, ED, 83, F9, 11, 77, 0E, 6A, 0D, 58, 5D, C3, 8B, 04, CD, 8C, 34, 44, 00, 5D, C3, 05, 44, FF, FF, FF, 6A, 0E, 59, 3B, C8, 1B, C0, 23, C1, 83, C0, 08, 5D, C3, E8, 04, 52, 00, 00, 85, C0, 75, 06, B8, F0, 35, 44, 00, C3, 83, C0, 08, C3, E8, F1, 51, 00, 00, 85, C0, 75, 06, B8, F4, 35, 44, 00, C3, 83, C0, 0C, C3, 8B, FF, 55, 8B, EC, 56, E8, E2, FF, FF, FF, 8B, 4D, 08...
 
[+]

Code size:
210.5 KB (215,552 bytes)

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