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logmein-hamachi.exe

dobreprogramy sp. z o.o.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application logmein-hamachi.exe by dobreprogramy sp. z o.o has been detected as adware by 18 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 download2.dobreprogramy.pl and multiple other hosts.
Publisher:
dobreprogramy sp. z o.o.  (signed and verified)

MD5:
760393c1886726a8bae797dcf7fb31c7

SHA-1:
b701ea3115421c7d25a331f9d934e096b589c54f

SHA-256:
42dc46c87dae5a44ff91d4a42fd432d723c217ada684fa68a977784fba059063

Scanner detections:
18 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

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:
1/12/2025 5:20:30 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.125.70

AVG
MalSign.InstallC
2015.0.3490

Bkav FE
W32.Clodd1a.Trojan
1.3.0.4613

Comodo Security
ApplicUnwnt
17963

Dr.Web
Adware.InstallCore.133
9.0.1.0118

ESET NOD32
Win32/InstallCore.CU (variant)
8.9291

Fortinet FortiGate
Riskware/Vittalia
4/28/2014

F-Prot
W32/InstallCore.R3.gen
v6.4.7.1.166

K7 AntiVirus
Unwanted-Program
13.175.10837

Malwarebytes
PUP.Optional.Dobreprogramy
v2014.04.28.04

McAfee
Artemis!C9DC5AD4C822
5600.7146

Reason Heuristics
PUP.dobreprogramyspzoo.W
14.4.28.16

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14426

Sophos
Install Core Click run software
4.96

Trend Micro House Call
TROJ_GEN.F47V1227
7.2.118

Vba32 AntiVirus
Downware.InstallCore
3.12.24.3

VIPRE Antivirus
Adware.Win32.InstallCore.ba
26158

File size:
651 KB (666,648 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\logmein-hamachi.exe

Digital Signature
Signed by:
dobreprogramy sp. z o.o.

Authority:
COMODO CA Limited

Valid from:
6/6/2013 1:00:00 AM

Valid to:
6/7/2014 12:59:59 AM

Subject:
CN=dobreprogramy sp. z o.o., O=dobreprogramy sp. z o.o., STREET=Al. Jana Kasprowicza 94, L=Wrocław, S=dolnośląskie, PostalCode=51-145, C=PL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00EFC6EDE5717968B796D7BFF8BE2536E9

File PE Metadata
Compilation timestamp:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:elkOyMJfsGMmOjLwy9jhZmUJRkRGd4rxS7FyYwX/jx54o5DOGVHaEd58Vm8qAmm/:fOyMJfsSQwyNh8leUuoJdHoVm8qfYVS

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

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

Code size:
36 KB (36,864 bytes)

The file logmein-hamachi.exe has been seen being distributed by the following 2 URLs.

http://download2.dobreprogramy.pl/.../x64

http://download4.dobreprogramy.pl/.../x86

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