icreinstall_nsoa7f5.tmp

The file icreinstall_nsoa7f5.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. The file has been seen being downloaded from counter99.com and multiple other hosts.
MD5:
adf145bcc0bae6455299a5bcad45a18e

SHA-1:
05ecb811134c2819db157e54221abcfa31567a16

SHA-256:
25d4a3383fc4f5899f7e727fef7c2114374b2685de8e28907affbc7d1de722e9

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 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:
11/23/2024 7:55:22 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
PUA/InstallCore.Gen7
8.3.1.6

avast!
Malware-gen
2014.9-150620

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.15314

ESET NOD32
Win32/InstallCore.PO potentially unwanted application
9.7.0.302.0

F-Prot
W32/A-df0bbe51
v6.4.7.1.166

G Data
Win32.Application.AnyProtect
15.3.25

herdProtect (fuzzy)
2015.6.20.18

NANO AntiVirus
Riskware.Win32.InstallCore.dqheqe
0.30.24.1357

Qihoo 360 Security
HEUR/QVM06.1.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.InstallCore
15.3.14.14

VIPRE Antivirus
Threat.4150696
39676

File size:
577.4 KB (591,282 bytes)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_nsoa7f5.tmp

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:piFaUuk5+RHedvWU15Ed7VLPqMYl2VblkSmNBZyKpWr:piFhuZCvWUeBvYAkSmvZyKp

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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

The file icreinstall_nsoa7f5.tmp has been seen being distributed by the following 2 URLs.

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