icreinstall_nsi4418.tmp

The file icreinstall_nsi4418.tmp has been detected as adware by 11 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. While running, it connects to the Internet address server-54-230-52-182.jfk6.r.cloudfront.net on port 80 using the HTTP protocol.
MD5:
6a71332d10548265b3f996c12d0b696a

SHA-1:
45f7ba14d2c05eff47bb2cc88eb18eaabe9219bd

SHA-256:
8b0b76aec9d91f86966281227ed0d552722aed233698e47b495a120c5f69479a

Scanner detections:
11 / 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:
4/23/2024 1:01:12 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
PUA/InstallCore.Gen7
8.3.1.6

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.15617

Dr.Web
Trojan.MulDrop5.10078
9.0.1.05190

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
15.6.25

Malwarebytes
v2015.06.17.04

NANO AntiVirus
Riskware.Win32.InstallCore.dgjqek
0.30.24.2086

Reason Heuristics
PUP.InstallCore
15.6.17.4

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.4

VIPRE Antivirus
Threat.4150696
40830

File size:
572.4 KB (586,093 bytes)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_nsi4418.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:U9FaK+1cVf3ew85MgMkOWW6hWYSdUCa9iqSPpbVP:U9FXU2GF5SkpS+6Pp

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:
7.8620

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-54-230-52-182.jfk6.r.cloudfront.net  (54.230.52.182:80)

TCP (HTTP):
Connects to ec2-54-186-29-120.us-west-2.compute.amazonaws.com  (54.186.29.120:80)

TCP (HTTP):
Connects to ec2-107-20-182-77.compute-1.amazonaws.com  (107.20.182.77:80)

TCP (HTTP):
Connects to dl21.clickmein.com  (216.227.128.186:80)

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