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crankwebuntemp.exe

CrankWeb

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application crankwebuntemp.exe by CrankWeb has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory.
Publisher:
CrankWeb  (signed and verified)

Version:
1.0.0.0

MD5:
c5be981f5ff0f4820295c32eac9dc20e

SHA-1:
a800fa5d40f5e757b625fcf250facc19a89c87c6

SHA-256:
434bb34422d0deb9903ac686d9c94c6c1c803c7c29a1d16fe06162f756be0554

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:
4/24/2024 11:02:51 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.CrankWeb (M)
16.1.30.19

File size:
530.8 KB (543,512 bytes)

Product version:
1.0.0.0

Original file name:
CrankWeb Uninstaller.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\crankwebuntemp.exe

Digital Signature
Signed by:
CrankWeb

Authority:
VeriSign, Inc.

Valid from:
1/2/2014 10:00:00 PM

Valid to:
1/3/2015 9:59:59 PM

Subject:
CN=CrankWeb, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=CrankWeb, 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:
6FA2AE19BF84914123C143239E738403

File PE Metadata
Compilation timestamp:
6/17/2014 2:10:18 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:GRAHA/LdqnIEgRAQjoqhjwLEMGbWBN7hMKvBE2OGV6eQuU9aCSoxNwrybeIo86+U:GRAIMmYLEjWBN7h72px+Z8dDY

Entry address:
0x82B1A

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...
 
[+]

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

Code size:
515 KB (527,360 bytes)

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