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icreinstall_nst87dd.tmp

The file icreinstall_nst87dd.tmp has been detected as adware by 8 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:
1fb83b8a7a295c304c34a49fdfd0a337

SHA-1:
fc72220933bdfebb8bb6fa7eddb73168cc140487

SHA-256:
a11a6a6d528863a1524c6479d054e2d407310e8539f40c727dd3353d01388740

Scanner detections:
8 / 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:
4/23/2024 9:56:52 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
PUA/InstallCore.Gen7
8.3.1.6

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.15527

ESET NOD32
Win32/InstallCore.PK potentially unwanted application
7.0.302.0

F-Prot
W32/A-df0bbe51
v6.4.7.1.166

G Data
Win32.Application.AnyProtect
15.5.25

NANO AntiVirus
Riskware.Win32.InstallCore.dlaymh
0.30.24.1636

Reason Heuristics
PUP.InstallCore
15.5.27.19

VIPRE Antivirus
Threat.4150696
40552

File size:
575.3 KB (589,073 bytes)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_nst87dd.tmp

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:1SyFalVHTfXXJuHE7YFyY/OwCgZgBmBCONBdkCnHr:1SyFcVzfXZuHE7OnbgBmBZNBz

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:
7.8613

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

Code size:
37 KB (37,888 bytes)

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