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adobe_flash_setup.exe

OOO

The application adobe_flash_setup.exe by OOO has been detected as adware by 10 anti-malware scanners. The program is a setup application that uses the Inno Setup 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 pc-update-512.net.
Publisher:
OOO   (signed and verified)

MD5:
51fc6284059e791f95ac0a62d6a3d2c9

SHA-1:
7775ddb9df0b61a97560ab76763b7e9147293471

SHA-256:
c2078cdf55c84ed0d7ba0059128632c31bd71e2ca9a96d14469231158ca982b7

Scanner detections:
10 / 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.

Analysis date:
1/12/2025 5:17:36 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen9
7.11.182.228

AVG
Generic
2015.0.3301

Dr.Web
Trojan.MulDrop5.38502
9.0.1.05190

ESET NOD32
Win32/InstallCore.PL potentially unwanted application
7.0.302.0

K7 AntiVirus
Trojan
13.185.13888

Malwarebytes
PUP.Optional.InstallCore
v2014.11.03.01

Reason Heuristics
PUP.Installer.OOO.R
14.11.3.13

Total Defense
Win32/Tnega.QVTVFR
37.0.11260

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.3

VIPRE Antivirus
Threat.4786018
34232

File size:
764.7 KB (783,096 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

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

Digital Signature
Signed by:
OOO

Authority:
COMODO CA Limited

Valid from:
9/28/2014 8:00:00 PM

Valid to:
9/29/2015 7:59:59 PM

Subject:
CN="OOO ""Finans Servis""", O="OOO ""Finans Servis""", STREET=proezd Serebryakova 6, L=Moscow, S=Moscow, PostalCode=129323, C=RU

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

Serial number:
00E1FA7367E750C9DB1BC6472E5E6D59C7

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):
12288:lrvpR3HuU4oN26bV44R2OI/MyicEWEa6cgBFUT0qu+BvLusVOLWtTy3a:lrv/Ho2y4R2+OqRcgQ0qtvasVmFa

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:
7.8515

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 URL.

http://pc-update-512.net/download.php?conversion_id=14144410971180&site_id=441&app_id=4&lp_id=553&v=icrs&stub_id=8&dist_id=365&channel=ac_h1gv&c=e7982022e2acb355c97cb18725d4df5e&cid=12453685111414441096&pubid=117290

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