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ywiuzxoqims.exe

Video Dimmer

Small Island Development

This is part of an adware program designed to inject advertising in the web browser (banners, text-links) as well as modify the normal behavior of the browser. Part of the Injekt brand of unwanted programs. The application ywiuzxoqims.exe, “VideoDimmer Service” by Small Island Development has been detected as adware by 17 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “YwIuZxoQIms”. According to AVG, this software downloads additional adware offers during setup.
Publisher:
Small Island Development  (signed and verified)

Product:
Video Dimmer

Description:
VideoDimmer Service

Version:
1.0.0.0

MD5:
2d7a1ad5614518f3f4cf0b66cdecbc76

SHA-1:
d5cefbd7824aabf2c1aa8354795bba0951bfa71e

SHA-256:
7aa82ac37882ea7d553a4b5314204f97cf2768d647fc21accc399df4cff8a635

Scanner detections:
17 / 68

Status:
Adware

Explanation:
Injects display ads (banner ads), in-text ads, interstitial ads, or other types of ads in the web browser as well as alters the browsers settings (home page, search, DNS, and security protocols).

Analysis date:
4/25/2024 10:37:31 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.PullUpdate
7.1.1

AhnLab V3 Security
PUP/Win32.PullUpdate
2015.03.31

AVG
Potentially harmful program Downloader.CBD
2014.0.4311

Baidu Antivirus
Adware.MSIL.PullUpdate
4.0.3.15331

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
ApplicUnwnt
21595

Dr.Web
Adware.Yontoo.59, Adware.Yontoo.55
9.0.1.05190

ESET NOD32
MSIL/Adware.PullUpdate.G.gen application
7.0.302.0

Fortinet FortiGate
Adware/PullUpdate
3/31/2015

Kaspersky
not-a-virus:AdWare.MSIL.PullUpdate
15.0.0.543

Malwarebytes
PUP.Optional.VideoDimmer.A
v2015.03.31.03

McAfee
Artemis!2D7A1AD56145
5600.6810

Panda Antivirus
Adware/TVWizard
15.03.31.03

Qihoo 360 Security
HEUR/QVM03.0.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.Service.Injekt
15.3.31.3

Sophos
Generic PUA NF
4.98

Vba32 AntiVirus
TScope.Trojan.MSIL
3.12.26.3

File size:
2.6 MB (2,733,552 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © Small Island Development 2015

Original file name:
VideoDimmerService.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\ProgramData\grvnfbxjuv\ywiuzxoqims.exe

Digital Signature
Signed by:
Small Island Development

Authority:
Symantec Corporation

Valid from:
12/23/2014 7:00:00 PM

Valid to:
2/22/2016 6:59:59 PM

Subject:
CN=Small Island Development, O=Small Island Development, L=St. James, S=St. James, C=BB

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
2ACB4CDCE993E485342ABFA2BCA95A17

File PE Metadata
Compilation timestamp:
3/27/2015 4:24:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
49152:2/JNNPDRTdF+Q5UJmWEBGaEWbvv/8B1AZjo7U5KHJA2xiVbd1V++6F2gNuUb+:mNNPdTdFZUJaEOA8eU7hxdgFhNh+

Entry address:
0x29B03E

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:
7.9995

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

Code size:
2.6 MB (2,724,352 bytes)

Service
Display name:
YwIuZxoQIms

Type:
Win32OwnProcess

Depends on:
Winmgmt CryptSvc


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