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icreinstall_nso2790.tmp

The file icreinstall_nso2790.tmp has been detected as adware by 16 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:
326ecd92c77fb0008d1389fd180858b5

SHA-1:
352a9b2e49baf1d5f582848d51c8bff61906a43d

SHA-256:
43b7942c484e4d163d790b73566daca6f9b6a24cc432e5766fa4498bc9185d57

Scanner detections:
16 / 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 1:14:23 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.141126

Comodo Security
UnclassifiedMalware
18924

Dr.Web
Trojan.Packed.25266
9.0.1.0330

ESET NOD32
Win32/InstallCore.OZ (variant)
8.10128

Fortinet FortiGate
Riskware/InstallCore
11/26/2014

F-Prot
W32/A-e3871acb
v6.4.7.1.166

Malwarebytes
PUP.Optional.Downloader
v2014.11.26.10

McAfee
Artemis!326ECD92C77F
5600.6935

NANO AntiVirus
Riskware.Win32.InstallCore.dfgmjv
0.28.6.62995

Reason Heuristics
PUP.InstallCore.W
14.11.26.10

Rising Antivirus
PE:Trojan.Win32.Generic.16FE9AF9!385784569
23.00.65.141124

Sophos
Generic PUA DN
4.98

SUPERAntiSpyware
PUP.InstallCore/Variant
10214

Trend Micro House Call
Suspicious_GEN.F47V0707
7.2.330

VIPRE Antivirus
Trojan.Win32.Generic
31462

File size:
579 KB (592,933 bytes)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_nso2790.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:Y/vpx/3/kNozEl6IUlMcx+qOiPXKIh9ePWSLchA:Y/vz3So/IUlVxQIXKIhkh

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:
7.8602

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

Code size:
37 KB (37,888 bytes)

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