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updateprimarycolor.exe

Primary Color

Part of the Yontoo web browser plugin (delivers advertisements to the web browser in the form of injected banners, text-links, popups, etc.) the updater mechanism for Primary Color will automatically keep the extension patched by downloaded new functionality which is auto-enabled by default. The application updateprimarycolor.exe by Primary Color has been detected as adware by 14 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Update Primary Color”. 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:
Primary Color  (signed and verified)

Version:
1.0.5715.5705

MD5:
6b5288e7d3b81a4cfbed35b6a83533c7

SHA-1:
2e156bdaf01a87f5deecda2389d7f800f438735c

SHA-256:
77f2db23abdc9bfd13e4db80ef6d6defbb3dc4c7623496d04f8eb100121d0ad0

Scanner detections:
14 / 68

Status:
Adware

Explanation:
Part of the Yontoo adware web browser extension update process.

Analysis date:
4/19/2024 4:57:54 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.08.26

Avira AntiVirus
ADWARE/BrowseFox.Gen7
8.3.2.2

AVG
Generic
2016.0.3001

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.15830

Dr.Web
Trojan.Yontoo.1837
9.0.1.0242

ESET NOD32
MSIL/BrowseFox.G potentially unwanted (variant)
9.12150

F-Prot
W32/S-bc825f4f
v6.4.7.1.166

K7 AntiVirus
Adware
13.2017004

Malwarebytes
PUP.Optional.PrimaryColor.A
v2015.08.30.01

NANO AntiVirus
Riskware.Win32.BPlug.djpkri
0.30.24.3079

Qihoo 360 Security
Win32/Virus.Adware.708
1.0.0.1015

Reason Heuristics
PUP.Yontoo.PrimaryColor (M)
15.8.30.13

Sophos
Browse Fox (PUA)
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
9660

File size:
446.2 KB (456,952 bytes)

Product version:
1.0.5715.5705

Original file name:
PrimaryColor2015082511.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\primary color\updateprimarycolor.exe

Digital Signature
Signed by:
Primary Color

Authority:
VeriSign, Inc.

Valid from:
1/14/2015 7:00:00 PM

Valid to:
1/15/2016 6:59:59 PM

Subject:
CN=Primary Color, O=Primary Color, 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:
25DC34062844409A5E421392BA5A17B2

File PE Metadata
Compilation timestamp:
8/25/2015 7:10:10 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:oisFHWB/et1CYsX6rBw81ykcofTj7jFPMwZlRYEA/ybV66GQxf3R69kJNGfmHELf:FchcK1p1v37jttk6GQzJut

Entry address:
0x6F52E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.0049

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
437.5 KB (448,000 bytes)

Service
Display name:
Update Primary Color

Type:
Win32OwnProcess


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