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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 25 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. The file has been seen being downloaded from install-cdn.sourceapp.info and multiple other hosts.
Publisher:
SourceApp  (signed by Source App)

Product:
SourceApp

Version:
1.0.0.6

MD5:
fa873b50ed9945145129ae10d8773684

SHA-1:
b04dd36e8cfba87f405586d644686541a18a3767

SHA-256:
819709e5a28c7939a98e1ee882014b50baa245ccbe70ead27229642fc88f9390

Scanner detections:
25 / 68

Status:
Adware

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

Analysis date:
5/6/2024 9:18:03 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.BP
729

Avira AntiVirus
ADWARE/BrowseFox.Gen2
7.11.199.180

AVG
BrowseFox.F
2016.0.3207

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.1525

Bitdefender
Adware.BrowseFox.BP
1.0.20.180

Comodo Security
Application.Win32.BrowseFox.JM
20615

Dr.Web
Trojan.BPlug.215
9.0.1.036

Emsisoft Anti-Malware
Adware.BrowseFox.BP
8.15.02.05.12

ESET NOD32
Win32/BrowseFox (variant)
9.10970

Fortinet FortiGate
Riskware/BrowseFox
2/5/2015

F-Prot
W32/S-7bed2e86
v6.4.7.1.166

F-Secure
Adware.BrowseFox.BP
11.2015-05-02_5

G Data
Adware.BrowseFox.BP
15.2.24

K7 AntiVirus
Trojan
13.1814541

Malwarebytes
PUP.Optional.SourceApp.A
v2015.02.05.12

McAfee
Artemis!FA873B50ED99
5600.6863

MicroWorld eScan
Adware.BrowseFox.BP
16.0.0.108

NANO AntiVirus
Riskware.Win32.Kranet.dkvuxq
0.30.0.64448

nProtect
Adware.BrowseFox.BP
15.01.13.01

Qihoo 360 Security
HEUR/QVM30.1.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.Yontoo
15.2.5.12

Sophos
Generic PUA LA
4.98

SUPERAntiSpyware
PUP.SourceApp/Variant
10072

Vba32 AntiVirus
AdWare.Kranet
3.12.26.3

Zillya! Antivirus
Adware.Agent.Win32.29836
2.0.0.2026

File size:
244.2 KB (250,096 bytes)

Product version:
1.0.0.6

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\inetcache\content.ie5\a16n7x87\sourceapp.dll

Digital Signature
Signed by:
Source App

Authority:
VeriSign, Inc.

Valid from:
10/15/2014 8:00:00 PM

Valid to:
10/16/2015 7:59:59 PM

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:
1/5/2015 4:39:49 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:gcJBot/Cq/itJwlKXt6SSkFhTwG+ujTci+nIaIHcmylzg7i:g1b/itDXtDSQAI8hlzg2

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, 04, 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...
 
[+]

Entropy:
6.3612

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 2 URLs.

http://install-cdn.sourceapp.info/bed?r=2015010607&bet=3

http://install-cdn.sourceapp.info/bed?bet=InternetExplorer

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