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mozilla-thunderbird.exe

The application mozilla-thunderbird.exe has been detected as a potentially unwanted program by 18 anti-malware scanners. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. 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 download4.dobreprogramy.pl a web site host known to distribute potentially unwanted software operated by dobreprogramy sp. z o.o..
MD5:
59eaad8101917a342938dc84ae5a00be

SHA-1:
e8f8604319ee08cdb6cf4c5a50f7c83119f55656

SHA-256:
2ac04207f244741bf67a41893a5e913e376450547883bff01d4966641f5807be

Scanner detections:
18 / 68

Status:
Potentially unwanted

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

Analysis date:
4/25/2024 3:44:47 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.115.36

AVG
MalSign.InstallC
2015.0.3355

Bkav FE
W32.Clod4ba.Trojan
1.3.0.4959

Comodo Security
Application.Win32.Agent.AM
17316

Dr.Web
Trojan.Packed.24524
9.0.1.05190

ESET NOD32
Win32/InstallCore.CH potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstallCore
9/10/2014

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

K7 AntiVirus
Unwanted-Program
13.176.11907

Malwarebytes
PUP.Optional.InstallCore.A
v2014.09.10.01

McAfee
Artemis!7ADBB7F119BB
5600.7011

Qihoo 360 Security
Win32/Virus.Adware.94c
1.0.0.1015

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14908

Sophos
Install Core Click run software
4.95

Trend Micro House Call
TROJ_GEN.F47V1024
7.2.253

Vba32 AntiVirus
Downware.InstallCore
3.12.24.3

VIPRE Antivirus
InstallCore.b
23632

File size:
669.2 KB (685,248 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\downloads\mozilla-thunderbird.exe

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:ayMJfsGnYrKnA0KSJCvBMuBKCdqQvI4T/6KaMbeWZ0auAikIp3Hl1PJIEcKb68ng:ayMJfsjr+8S4djCKDKoKkIp3+r61

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...
 
[+]

Entropy:
7.8255

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

Code size:
36 KB (36,864 bytes)

The file mozilla-thunderbird.exe has been seen being distributed by the following URL.

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

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