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cytiweb.dll

Girafarri

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module cytiweb.dll by Girafarri has been detected as adware by 15 anti-malware scanners. This file is typically installed with the program Cyti Web by Yontoo Technology, Inc. which is a potentially unwanted software program. 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.cytiweb.net.
Publisher:
Cyti Web  (signed by Girafarri)

Product:
Cyti Web

Version:
1.0.0.7

MD5:
b19057df8d488347eaef7900395016ac

SHA-1:
79c824ef52038381976c54b96045e3dc602c15c4

SHA-256:
ca86f5d64c20b6c8f4930015de52085d8a80335d4f6d78c9bd04787e37c3c966

Scanner detections:
15 / 68

Status:
Adware

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

Analysis date:
12/26/2024 7:35:56 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
ADWARE/BrowseFox.Gen2
7.11.212.170

avast!
Win32:BrowseFox-GZ [PUP]
2014.9-150227

AVG
Girafarri
2016.0.3185

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15227

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.Yontoo.1016
9.0.1.058

ESET NOD32
Win32/BrowseFox.AE potentially unwanted
9.11243

F-Prot
W32/S-304afd20
v6.4.7.1.166

IKARUS anti.virus
AdWare.BrowseFox
t3scan.1.8.6.0

K7 AntiVirus
Trojan
13.1915108

Malwarebytes
PUP.Optional.CytiWeb.A
v2015.02.27.03

NANO AntiVirus
Trojan.Win32.Yontoo.dnkubo
0.30.0.296

Reason Heuristics
PUP.Yontoo
15.2.27.15

Vba32 AntiVirus
AdWare.MSIL.Agent
3.12.26.3

File size:
262.8 KB (269,088 bytes)

Product version:
1.0.0.7

Copyright:
(c) Cyti Web. 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\fil8vtn3\cytiweb.dll

Digital Signature
Signed by:
Girafarri

Authority:
VeriSign, Inc.

Valid from:
4/22/2014 3:00:00 AM

Valid to:
4/23/2015 2:59:59 AM

Subject:
CN=Girafarri, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Girafarri, L=Santa Monica, 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:
2FB197284297D52000599AA2F7D0668F

File PE Metadata
Compilation timestamp:
2/27/2015 11:28:09 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:E/i6UB9JriXzSVBQbHHqeRB+VyHm63Av+Q7AZZKTdh43lcgv2Y:E/i6U5+jSVGnqezuv+ZOayi2Y

Entry address:
0xF515

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, EA, 7E, 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, A8, 21, 03, 10, E8, 4C, 02, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 0C, 77, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, C4, 93, 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:
6.0705

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

The file cytiweb.dll has been discovered within the following program.

Cyti Web  by Yontoo Technology, Inc.
Cyti Web installs a web browser extension that injects ads within the underlying webpage. It displays several types of advertising, including but not limited to: - Sponsored links - Video targeted ads (which are displayed when you view a video).
cytiweb.net/support
82% remove it
 
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The file cytiweb.dll has been seen being distributed by the following URL.

http://install-cdn.cytiweb.net/bed?r=2015022715&bet=3

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