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adobe_flash_setup.exe

OOO TehSnab

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application adobe_flash_setup.exe by OOO TehSnab has been detected as adware by 13 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. The file has been seen being downloaded from security-upgrade.com and multiple other hosts.
Publisher:
OOO TehSnab  (signed and verified)

MD5:
04baeed4ace27d0d39d75ff930e204ed

SHA-1:
ebf18c73a102b5f42b919724d04b49ebb7f03b67

SHA-256:
8271b7c7c9c9c61a55e41adfa00b50ff077e8dc2ba88c23b1182392084136ae5

Scanner detections:
13 / 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 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:
12/24/2024 11:20:50 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
Adware/InstallCore.rfaw
7.11.205.78

AVG
Generic11_c
2016.0.3217

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.InstallCore.RFAW
20856

Dr.Web
Trojan.InstallCore.38
9.0.1.05190

ESET NOD32
Win32/InstallCore.QF potentially unwanted application
7.0.302.0

K7 AntiVirus
Trojan
13.192.14761

Malwarebytes
PUP.Optional.TehSnab
v2015.01.26.07

NANO AntiVirus
Riskware.Win32.InstallCore.dmfojt
0.30.0.64812

Reason Heuristics
PUP.Bundler.installCore
15.3.18.1

Total Defense
Win32/Tnega.JbTPVR
37.0.11406

VIPRE Antivirus
Threat.4150696
36666

File size:
877.5 KB (898,600 bytes)

Product version:
1.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
OOO TehSnab

Authority:
Thawte, Inc.

Valid from:
10/7/2014 8:00:00 PM

Valid to:
10/8/2015 7:59:59 PM

Subject:
CN=OOO TehSnab, O=OOO TehSnab, L=Moscow, S=Moscow, C=RU

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
1B3AE09C419260E223EA4701F7A75ECE

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:fFYEG6p1agGmDmkhB92B3gdiSUy4lvy2iPYHA2:fSJe1EmDmkh2VoiSUv1XHR

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:
7.7125

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

Code size:
37 KB (37,888 bytes)

The file adobe_flash_setup.exe has been seen being distributed by the following 2 URLs.

http://security-upgrade.com/download.php?conversion_id=14153278812269&site_id=523&app_id=4&lp_id=382&v=ico&stub_id=26&dist_id=365&channel=ac_h1gv&cid=11420960131415327880&pubid=117290

http://soft169.org/download.php?conversion_id=14122241441489&site_id=406&app_id=4&lp_id=382&v=ico&dist_id=269&channel=acmnj&cid=11421005171412224141&pubid=117290&c=20a4febe59cb94a853d80a5d31ff8739&v_id=51e0c1f4d8ccdb4450234d1cd189f80c

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