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7zip.exe

The application 7zip.exe has been detected as a potentially unwanted program by 17 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 and multiple other hosts a known adware distribution point operated by dobreprogramy sp. z o.o..
MD5:
ba7e8871d0b700a311759f14a88acc43

SHA-1:
4d0123c67a0ad737427648eb400866457c809405

SHA-256:
db59bfc5757783034b58e56bdda2c208bc6548946aaae8ef9e7c913841e57032

Scanner detections:
17 / 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:
5/19/2024 6:34:21 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
APPL/InstallCore.AB.4
7.11.102.248

AVG
MalSign.InstallC
2015.0.3364

Comodo Security
Application.Win32.Agent.AM
16958

Dr.Web
Trojan.Packed.24524
9.0.1.0245

ESET NOD32
Win32/InstallCore.CH (variant)
8.8813

Fortinet FortiGate
Riskware/InstallCore
9/2/2014

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

K7 AntiVirus
Unwanted-Program
13.176.11907

Malwarebytes
PUP.Optional.InstallCore.A
v2014.09.02.10

McAfee
Artemis!BA7E8871D0B7
5600.7020

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

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14831

Sophos
Install Core Click run software
4.95

Trend Micro House Call
TROJ_GEN.F47V1024
7.2.245

Vba32 AntiVirus
Downware.InstallCore
3.12.24.3

VIPRE Antivirus
InstallCore.b
21584

File size:
669.2 KB (685,248 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\downloads\7zip.exe

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

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...
 
[+]

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

Code size:
36 KB (36,864 bytes)

The file 7zip.exe has been seen being distributed by the following 2 URLs.

http://download4.dobreprogramy.pl/.../x64

http://download.dobreprogramy.pl/.../x64

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