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icreinstall_nsh8446.tmp

The file icreinstall_nsh8446.tmp has been detected as adware by 9 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. It is also typically executed from the user's temporary directory.
MD5:
4c095aed2db226a4facdd46a34498c11

SHA-1:
d00cb8531d24246c19133c51f9202f88cd36ae58

SHA-256:
4d9626e7b0fd0956ac9bb4675db62a31a46f887978b65ebe8008e717c535a809

Scanner detections:
9 / 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 '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:
4/26/2024 8:41:22 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
PUA/InstallCore.Gen7
8.3.1.6

avast!
Malware-gen
150531-1

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.1562

ESET NOD32
Win32/InstallCore.PK potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstallCore
6/2/2015

F-Prot
W32/A-95939616
v6.4.7.1.166

G Data
Win32.Application.AnyProtect
15.6.25

Reason Heuristics
PUP.InstallCore
15.6.2.10

VIPRE Antivirus
Threat.4150696
40552

File size:
580.3 KB (594,188 bytes)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_nsh8446.tmp

File PE Metadata
Compilation timestamp:
6/19/1992 12:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:UZcFadWPCjiQiqPPwfqJe1VdOgT+cQUEhKUNHFbCEbRbBX:U6Fga9O7J2jOg5QUEIUNou

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, BF, A9, FF, FF, E8, 5E, 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...
 
[+]

Entropy:
7.8485

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

Code size:
37 KB (37,888 bytes)

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

TCP (HTTP):
Connects to server-54-192-54-188.jfk6.r.cloudfront.net  (54.192.54.188:80)

TCP (HTTP):
Connects to ec2-52-10-224-155.us-west-2.compute.amazonaws.com  (52.10.224.155:80)

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