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7-zip.exe

UpdateStar GmbH

The application 7-zip.exe by UpdateStar GmbH has been detected as a potentially unwanted program by 10 anti-malware scanners. This is a setup program which is used to install the application. It uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from www.updatestar.com.
Publisher:
UpdateStar GmbH  (signed and verified)

MD5:
6c7fc34528e859a0fc0b388800fcc3db

SHA-1:
b63cda4ec0e8bf0c9c59c50c6227c8a14e35440d

SHA-256:
ebe689c92e090809a7b908526735d09e0b15adcd6b1e1456c1247067c6d4b6b1

Scanner detections:
10 / 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:
4/28/2024 5:45:28 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.128.170

Dr.Web
Trojan.KillProc.30849
9.0.1.046

ESET NOD32
Win32/InstallCore.JE.gen (variant)
8.9372

Malwarebytes
PUP.Optional.Installcore
v2014.02.15.07

McAfee
Artemis!AD5E8193F922
5600.7219

Reason Heuristics
PUP.UpdateStarGmbH.F
14.2.15.7

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14213

Trend Micro House Call
TROJ_GEN.F47V0131
7.2.46

Vba32 AntiVirus
Downware.InstallCore
3.12.24.3

VIPRE Antivirus
InstallCore.b
26086

File size:
669 KB (685,056 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
UpdateStar GmbH

Authority:
COMODO CA Limited

Valid from:
1/2/2013 1:00:00 AM

Valid to:
1/3/2016 12:59:59 AM

Subject:
CN=UpdateStar GmbH, O=UpdateStar GmbH, STREET=Hauptstraße 20, L=Berlin, S=Berlin, PostalCode=10827, C=DE

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

Serial number:
009ED227324380B40DDE36C8D31A33831F

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):
12288:7vptvVqpPXo+HrdkNuX3MmmJalSXGUhjvmWLVGozhj/OuP/th:7vXvV0ddkz82vJGozhj/3h

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...
 
[+]

Code size:
37 KB (37,888 bytes)

The file 7-zip.exe has been seen being distributed by the following URL.

http://www.updatestar.com/.../2078253

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