sourceapp.dll

Source App

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module sourceapp.dll by Source App 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 an Internet Explorer cache folder. The file has been seen being downloaded from install-cdn.sourceapp.info.
Publisher:
SourceApp  (signed by Source App)

Product:
SourceApp

Version:
1.0.0.4

MD5:
84b625d61ed2b5d1b4e355719e532477

SHA-1:
107ffb8396192b76c901955c6cd5e81d5e70a7d7

SHA-256:
fe92d5f5f76e4ac10ab232b70298dc28d01c740df89336a749e9e4468f26e545

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:
11/16/2024 10:03:52 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.SourceAp (M)
16.4.9.11

File size:
244.2 KB (250,096 bytes)

Product version:
1.0.0.4

Copyright:
(c) SourceApp. All rights reserved.

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\sourceapp.dll

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
10/16/2014 2:00:00 AM

Valid to:
10/17/2015 1:59:59 AM

Subject:
CN=Source App, O=Source App, 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:
5436973D688F7AF7E3F875CD8B463EDD

File PE Metadata
Compilation timestamp:
11/29/2014 4:28:51 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:ExBotzn5MrRY/xRyklvnnDOuDTci+G3IaIshJ1fxG76e:Eyzn5MtY/LyWjIMDfxGn

Entry address:
0x12854

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 41, 8D, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, 80, 30, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 24, 78, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 0C, A5, 02, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

The file sourceapp.dll has been seen being distributed by the following URL.

Remove sourceapp.dll - Powered by Reason Core Security