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39.0.0.dll

Discovery App

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module 39.0.0.dll by Discovery App has been detected as adware by 12 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:
Discovery App  (signed and verified)

Version:
1.0.5736.40944

MD5:
de19d24ef0f91c9424a7072608dec3a6

SHA-1:
432ef05a4f056cea733ba676a4c04491d09ead53

SHA-256:
8c54ae4d33b1b8606d2f2c2cb9e6dc048be8ce4b4521b39f05b1df104c7eb93c

Scanner detections:
12 / 68

Status:
Adware

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

Analysis date:
4/27/2024 2:29:27 PM UTC  (today)

Scan engine
Detection
Engine version

Bkav FE
W32.HfsAdware
1.3.0.7062

Clam AntiVirus
Win.Adware.Yotoon-56
0.98/20786

Dr.Web
Trojan.Yontoo.1949
9.0.1.0322

Emsisoft Anti-Malware
Gen:Variant.Adware.Jatif.294
8.15.11.18.12

ESET NOD32
Win32/BrowseFox.BS potentially unwanted application
9.7.0.302.0

F-Secure
Gen:Variant.Adware.Jatif
11.2015-18-11_4

herdProtect (fuzzy)
variant of 38.0.5.dll (Adware)
2015.11.18.12

Malwarebytes
PUP.Optional.RollAround.SID.A
v2015.11.18.12

Norman
Gen:Variant.Adware.Jatif.294
11.20151118

Reason Heuristics
PUP.Yontoo.DiscoveryApp (M)
15.9.16.12

Sophos
PUA 'Browse Fox'
5.15

VIPRE Antivirus
Threat.4741131
41424

File size:
54.3 KB (55,568 bytes)

Product version:
1.0.5736.40944

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\ProgramData\3a65b31f-fd78-451b-b99b-7557d173b95d\plugins\7bak\resources\39.0.0.dll

Digital Signature
Signed by:
Discovery App

Authority:
VeriSign, Inc.

Valid from:
3/25/2015 1:00:00 AM

Valid to:
3/25/2016 12:59:59 AM

Subject:
CN=Discovery App, O=Discovery 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:
510E3F5ACE52C22C76DC87DB7D1FCCE8

File PE Metadata
Compilation timestamp:
9/16/2015 7:44:57 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
1536:cO1NlKYQWPYbYbYiYbYPYLYby/EEYEEYEEEnOacTizX1bDJi0fZZwalKV:c4KYQWPYbYbYiYbYPYLYby/EEYEEYEEp

Entry address:
0x864C

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, F7, 07, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 10, 68, A8, B6, 00, 10, E8, 15, 05, 00, 00, 33, C0, 40, 8B, F0, 89, 75, E4, 33, DB, 89, 5D, FC, 8B, 7D, 0C, 89, 3D, 10, D0, 00, 10, 89, 45, FC, 85, FF, 75, 0C, 39, 3D, E4, D2, 00, 10, 0F, 84, D4, 00, 00, 00, 3B, F8, 74, 05, 83, FF, 02, 75, 38, A1, 5C, A7, 00, 10, 85, C0, 74, 0E, FF, 75, 10, 57, FF, 75, 08, FF, D0, 8B, F0, 89, 75, E4, 85, F6, 0F, 84, B1, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
33 KB (33,792 bytes)

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