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icreinstall_nsba46b.tmp

The file icreinstall_nsba46b.tmp has been detected as adware by 5 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:
05dbdb19c1cff09f1392c937bb9d0f2d

SHA-1:
56bd14c4fb214422b0857af9a0c136ba6cc6e74c

SHA-256:
3f52394e0bea8a9624c51dbba07866ad4bb53f36d6736f083aa5fbb0a6df155b

Scanner detections:
5 / 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:
5/1/2024 8:07:30 PM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.14107

Dr.Web
Trojan.Packed.25266
9.0.1.05190

ESET NOD32
Win32/InstallCore.PO potentially unwanted application
7.0.302.0

NANO AntiVirus
Riskware.Win32.InstallCore.dfgmns
0.28.2.62483

Reason Heuristics
PUP.InstallCore.W
14.10.7.17

File size:
579.7 KB (593,591 bytes)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_nsba46b.tmp

File PE Metadata
Compilation timestamp:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:YDvpvpOZnu+VfNyNXPy0OKUsdFM518vAyzfpT5VQL/MCCkk/gd9lMM8lv:YDv5kZnUz9ndK5Hi0LCk4LM8l

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...
 
[+]

Entropy:
7.8631

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

Code size:
37 KB (37,888 bytes)

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