updatestar.exe

Software

UpdateStar GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application updatestar.exe, “Software Setup ” by UpdateStar GmbH has been detected as a potentially unwanted program by 14 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.
Publisher:
Application   (signed by UpdateStar GmbH)

Product:
Software

Description:
Software Setup

Version:
5.7.5.5

MD5:
8747dae81790b1c4ffa4f21d88af4c96

SHA-1:
f0512f2b916268c8055b54b0b7ccf56cd2e5b2d6

SHA-256:
3935f83f828f0153093a1f3bf03c642d47305f7a61119c4fd29c7bd92fed14da

Scanner detections:
14 / 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.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/5/2025 1:59:23 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
PUA/InstallCore.YH
8.3.1.6

AVG
Generic
2017.0.2850

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.16129

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.InstallCore.224
9.0.1.029

ESET NOD32
Win32/InstallCore.YH potentially unwanted (variant)
10.11641

Fortinet FortiGate
Riskware/InstallCore
1/29/2016

K7 AntiVirus
Adware
13.204.15935

Malwarebytes
v2016.01.29.06

McAfee
Artemis!DEFF849C20DC
5600.6506

Qihoo 360 Security
Win32/Virus.890
1.0.0.1015

Reason Heuristics
PUP.installCore.UpdateStar.Installer (M)
16.1.29.6

Trend Micro House Call
Suspicious_GEN.F47V0325
7.2.29

VIPRE Antivirus
Threat.4150696
39676

File size:
743.7 KB (761,568 bytes)

Product version:
1.6.3

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
2/3/2015 10:10:42 AM

Valid to:
2/4/2016 10:10:42 AM

Subject:
CN=UpdateStar GmbH, O=UpdateStar GmbH, L=Berlin, S=Berlin, C=DE

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112124922D3C2654755777EEC500C21F7151

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:kxbp+0ZR09/XAUCyup2LveggHgyXE7oX+3kcQcw2QFGshw7egvWtQxnP:kxbw0Z69obbp2bcHggE7ELRmeVQxnP

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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

The file updatestar.exe has been seen being distributed by the following 4 URLs.

http://cdn.update-star-downloads.com/c?x=nzXggvGvQyMcdahmSVChp5wZgE 1DZqsS5URv bALIc=&c=U5u8pcQyAFIvNgFyC3C6RBTVJmCNDCCJjptoRdi7ObBdhSqwqo6SWT8W4PrgI08EQV1SuIODIhlZwKqKGd XNw==&downloadAs=updatestar.exe&fallback_url=http://static.updatestar.net/dl/.../updatestar/UpdateStar_ENU.msi

http://cdn.update-star-downloads.com/c?x=Now4xxR65wpIhJA YRDZsH4pxmhR0KH0utkMHoIFJsQ=&c=R0IuAZ9YKqWdxbkhnIBNlmRY0xVNFkim57vYgkQPMl8KYNMq5klRRcWzXFAsxVTh sbmW36ave/ZHh7hkPt7gw==&downloadAs=updatestar.exe&fallback_url=http://static.updatestar.net/dl/.../updatestar/UpdateStar_ENU.msi

Remove updatestar.exe - Powered by Reason Core Security