constasurfun.exe

ConstaSurf

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application constasurfun.exe by ConstaSurf has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
ConstaSurf  (signed and verified)

Version:
1.0.0.0

MD5:
281ae888525d2c8ee31d43d6b4f92768

SHA-1:
df5a1e89d3e2d06615a6f07cebc60dfb402371fd

SHA-256:
77d0033c4250b66af70bdfb57b6e84144e4e058d53fb029627ee8e89bbcb3a41

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
4/29/2024 10:23:00 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.12.18

File size:
536.7 KB (549,616 bytes)

Product version:
1.0.0.0

Original file name:
ConstaSurf Uninstaller.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\constasurf\constasurfun.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
3/15/2015 7:00:00 PM

Valid to:
4/14/2016 6:59:59 PM

Subject:
CN=ConstaSurf, 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:
284E019C78604C0DEBC01C1E082C455D

File PE Metadata
Compilation timestamp:
1/27/2016 3:21:22 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x8423E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
5.9941

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
521 KB (533,504 bytes)

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