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21c63c073dae48cc95ab.dll

fassurun

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module 21c63c073dae48cc95ab.dll by fassurun has been detected as adware by 18 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:
fassurun  (signed and verified)

MD5:
ff7b737cb15c7f038615b12ae447a791

SHA-1:
84629fa76deb5119e87d649ad261c8c830f5eff1

SHA-256:
a5423096b0a0d412de4c9225b679b713fd2f03b239e328db9ba8597d5374bd6a

Scanner detections:
18 / 68

Status:
Adware

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

Analysis date:
4/25/2024 6:29:35 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Win-PUP/Swiftbrowse.195352
2014.09.21

Avira AntiVirus
Adware/BrowseFox.A.1099
7.11.173.134

AVG
Generic
2015.0.3345

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14920

Clam AntiVirus
Win.Adware.Swiftbrowse-86
0.98/19410

Dr.Web
Trojan.BPlug.100
9.0.1.0263

ESET NOD32
Win32/BrowseFox.N potentially unwanted application
8.7.0.302.0

herdProtect (fuzzy)
variant of 5eeb83d096ea4249942c.dll (Adware)
2014.12.3.9

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.7.5.0

McAfee
BrowseFox
5600.7001

NANO AntiVirus
Riskware.Win32.Agent.dedjsz
0.28.2.61942

nProtect
Trojan-Clicker/W32.Agent.195352
14.09.21.01

Reason Heuristics
PUP.fassurun.U
14.9.20.18

Sophos
Browse Fox
4.98

Vba32 AntiVirus
AdWare.Agent
3.12.26.3

VIPRE Antivirus
Threat.4150696
32938

Zillya! Antivirus
Adware.Kranet.Win32.76
2.0.0.1913

File size:
190.8 KB (195,352 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\fassurun\bin\21c63c073dae48cc95ab.dll

Digital Signature
Signed by:
fassurun

Authority:
VeriSign, Inc.

Valid from:
8/20/2013 7:00:00 PM

Valid to:
8/20/2015 6:59:59 PM

Subject:
CN=fassurun, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=fassurun, 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:
6EA3A2D62F7379560AF4974E60282338

File PE Metadata
Compilation timestamp:
8/14/2014 1:56:42 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:B3A11Je0OVsR00frsTbnFe/UpM1qLZ+GQ+1m2E/TJLhCbP65jxpa:B3Qa0lOnFe/+pZ+G/1m2cTnCbiJja

Entry address:
0x11CBD

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 71, 7C, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, D0, 45, 02, 10, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 34, 40, 02, 10, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64...
 
[+]

Entropy:
6.5541

Code size:
140 KB (143,360 bytes)

Remove 21c63c073dae48cc95ab.dll - Powered by Reason Core Security
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