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adobe_flash_player.exe

Program Installer

OOO Master-Code

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, “Program Installer Setup ” by OOO Master-Code has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from maintainpc.whensoftisupdated.net.
Publisher:
Internet app   (signed by OOO Master-Code)

Product:
Program Installer

Description:
Program Installer Setup

Version:
1.3.3.8

MD5:
66a01e9f43f2e0a0746500d24ce960d3

SHA-1:
5c1952433539b95b1dc1b0d411ba07fb0244bbe4

SHA-256:
159514b9615f7cc5cd4d756a0aa26d7bc3327289074de61aecc8efbe7f733b01

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/15/2024 1:29:18 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.OOOMaste.Installer (M)
16.4.24.9

File size:
776 KB (794,608 bytes)

Product version:
5.0

Copyright:
App

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\adobe_flash_player.exe

Digital Signature
Signed by:
OOO Master-Code

Authority:
COMODO CA Limited

Valid from:
5/14/2015 7:00:00 PM

Valid to:
5/14/2016 6:59:59 PM

Subject:
CN=OOO Master-Code, OU=Development Unit, O=OOO Master-Code, STREET="Leningradskoe shosse, d. 96 korp. 1", L=Moscow, S=Moscow, PostalCode=125195, C=RU

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

Serial number:
247D0A048891B169A5C28AFBF92C3C40

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:LHEVPwaBMYTIxeXOE5iYm/4hwQyacPsErO+hHH:LkVP3TIxe75iY64hwQarZ

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, 53, C9, FF, FF, E8, 9A, 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:
7.8048

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.whensoftisupdated.net/dl.php?conversion_id=14318321285758&app_id=4&lp_id=557&v=ico&stub_id=240&v_id=znFSrGkpPN0BIckWUqQTC6hs-zyIoPRD_2tHe4oqZI0.&pcl=p_WCKHYrIZD_wZqAXnqP23D_zC_Gh_WWLbbOJpGB9Ws.&clkid={clickurl}&s2=1089070844.445119.c2eed847d7.8074.3524ec6d969ee2bfaa8fa617f6991b58&dp=1089070844.445119.c2eed847d7.8074.3524ec6d969ee2bfaa8fa617f6991b58

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