icreinstall_updatestar.exe

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_updatestar.exe has been detected as adware by 10 anti-malware scanners. The program is a setup application that uses the installCore 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.
MD5:
8caec94c9c76d5ae0fc178bc0ea63ed6

SHA-1:
a587da2e86909178380335dd5a8f05c31e45d8cd

SHA-256:
4b4ec776051a26e4a52677c9f8623d7875c91354f5fe32a7bbc666b95d9d1305

Scanner detections:
10 / 68

Status:
Adware

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

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:
4/19/2024 11:51:10 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/InstallCore.AX
7.11.110.144

Bkav FE
W32.Clodeca.Trojan
1.3.0.4613

Comodo Security
Application.Win32.InstallCore.AX
17417

Dr.Web
Trojan.Packed.24524
9.0.1.0359

ESET NOD32
Win32/InstallCore.ES (variant)
7.8993

K7 AntiVirus
Unwanted-Program
13.174.10469

Malwarebytes
PUP.Optional.UpdateStar.A
v2013.12.25.09

Sophos
Install Core Installer
4.94

Trend Micro House Call
TROJ_GEN.F47V1028
7.2.359

VIPRE Antivirus
InstallCore.b
22924

File size:
607.9 KB (622,520 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_updatestar.exe

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:FRkLyMJfsGTtAoXzuOMjtKZ5O4dMfF1/W4OAJE3ERVer+9J:/eyMJfsstN1Hw4dM9ZWNAJEfW

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:
7.8413  (probably packed)

Code size:
36 KB (36,864 bytes)

The file icreinstall_updatestar.exe has been seen being distributed by the following URL.

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

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