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icreinstall_nsc2a5e.tmp

The file icreinstall_nsc2a5e.tmp has been detected as adware by 13 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:
2ec048a1a34f400f13e268cf5f4bc1e7

SHA-1:
0f3d0f3eed205b55bfcf462427196e57c4c6ffc8

SHA-256:
d90f6050867cfa193e636cd9332d2e53d8065f08b23a5951aa65e53721ea7d23

Scanner detections:
13 / 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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/25/2024 12:34:46 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Trojan.Heur2.GZ.KGZ@bSGuPffO
775

Bitdefender
Gen:Trojan.Heur2.GZ.KGZ@bSGuPffO
1.0.20.1775

Dr.Web
Trojan.Packed.25266
9.0.1.0355

Emsisoft Anti-Malware
Gen:Trojan.Heur2.GZ.KGZ@bSGuPffO
8.14.12.21.10

ESET NOD32
Win32/InstallCore.LW (variant)
8.9612

Fortinet FortiGate
Riskware/InstallCore
12/21/2014

F-Secure
Gen:Trojan.Heur2.GZ.KGZ@bSGuPffO
11.2014-21-12_1

G Data
Gen:Trojan.Heur2.GZ.KGZ@bSGuPffO
14.12.24

McAfee
Artemis!2EC048A1A34F
5600.6909

MicroWorld eScan
Gen:Trojan.Heur2.GZ.KGZ@bSGuPffO
15.0.0.1065

Reason Heuristics
PUP.InstallCore.W
14.12.21.22

Vba32 AntiVirus
Downware.InstallCore
3.12.24.3

VIPRE Antivirus
Trojan.Win32.Generic
27836

File size:
585.2 KB (599,208 bytes)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_nsc2a5e.tmp

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:iV35nvpwdvStvks5ah6fOnshCwHYQXEs2mCEyQbzwet9HccYfenB3:Mpnv+lMX5IQNIFmjyQYIHccF3

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:
7.8688

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

Code size:
37 KB (37,888 bytes)

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