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adobe_flash_player.exe

Installer Software

OOO Premier Service

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application adobe_flash_player.exe, “Installer Software Setup ” by OOO Premier Service has been detected as adware by 9 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions.
Publisher:
Program   (signed by OOO Premier Service)

Product:
Installer Software

Description:
Installer Software Setup

Version:
3.5.4.3

MD5:
25c4430a7df6b94d01bde2fadcd47952

SHA-1:
ae5fee8f934e3a78de8e32763f114b52a9670829

SHA-256:
f06950391162b43dddb85b90f98120b4a31670d118ca33cb3813f3a5204ec39f

Scanner detections:
9 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/31/2024 4:21:57 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Trojan-gen
2014.9-160120

AVG
InstallCore
2017.0.2858

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.InstallCore.620
9.0.1.020

ESET NOD32
Win32/InstallCore.ZC potentially unwanted application
10.7.0.302.0

K7 AntiVirus
Adware
13.204.16131

Malwarebytes
PUP.Optional.InstallCore
v2016.01.20.08

Reason Heuristics
PUP.installCore.OOOPremierService.Installer (M)
16.1.20.20

VIPRE Antivirus
Threat.4150696
40786

File size:
757 KB (775,160 bytes)

Product version:
1.1

Copyright:
Generic

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\adobe_flash_player.exe

Digital Signature
Signed by:
OOO Premier Service

Authority:
COMODO CA Limited

Valid from:
1/14/2015 4:00:00 PM

Valid to:
1/15/2016 3:59:59 PM

Subject:
CN=OOO Premier Service, OU=OOO Premier Service - Software, O=OOO Premier Service, STREET=Chelyuskinskaya 11, L=Moscow, S=Moscow, PostalCode=129336, C=RU

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00E4A7714941EDC263F4A4DB432530568A

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:rkaMaGw7QX0bf/H66zgInhyLAmEWjTtXCBgs3MUqhTvbI:rrM1JX0bf/fK9TxBfv0

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.7941

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file adobe_flash_player.exe has been seen being distributed by the following URL.

http://maintainpc.newcheck4updates.net/dl.php?conversion_id=14319219714618&app_id=4&lp_id=719&v=icrs&stub_id=241&v_id=FtZlsJ90O3LHOadxff-03WM8JhAN1D5hBfFya4rs8b4.&pcl=Iazrphov885jk6pfU6lUy7EDKzsvZy3LR2hPzuWgQ68.&clkid={clickurl}&s2=1225559613.424569.8e9ec34a5c.4970.b9957a3c35ceae5b99d52a88bef19311&dp=1225559613.424569.8e9ec34a5c.4970.b9957a3c35ceae5b99d52a88bef19311

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