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icreinstall_nsb3c75.tmp

The file icreinstall_nsb3c75.tmp has been detected as adware by 18 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 www.download-servers.com.
MD5:
ae29a30bbb27de2a37dfb3512d54b19b

SHA-1:
b71e09786445c8dfd7aa882f9ad3ee71c8ad695e

SHA-256:
ba0eefcbf9b151b2b17a382da57b20f73fd6c7e17d37884bebaca0d1cfe7f28f

Scanner detections:
18 / 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:
4/26/2024 4:23:03 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.591309
7.11.182.198

avast!
Win32:Dropper-gen [Drp]
2014.9-150104

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.1514

Dr.Web
Trojan.Packed.25266
9.0.1.04

ESET NOD32
Win32/InstallCore.PL (variant)
9.10496

Fortinet FortiGate
Riskware/InstallCore
1/4/2015

F-Prot
W32/A-df0bbe51
v6.4.7.1.166

G Data
Win32.Trojan.Agent.00L1MP
15.1.24

Malwarebytes
PUP.Optional.Downloader
v2015.01.04.03

McAfee
RDN/Generic.bfr!hk
5600.6895

NANO AntiVirus
Riskware.Text.Drop.deliok
0.28.2.62440

Qihoo 360 Security
Win32/Trojan.Dropper.c9f
1.0.0.1015

Reason Heuristics
PUP.InstallCore.W
15.1.4.15

Rising Antivirus
PE:Trojan.Win32.Generic.16F4FCD8!385154264
23.00.65.15102

Sophos
Generic PUA BC
4.98

SUPERAntiSpyware
PUP.InstallCore/Variant
10136

Trend Micro House Call
TROJ_GEN.R0C1H06G514
7.2.4

VIPRE Antivirus
Trojan.Win32.Generic
33586

File size:
577.5 KB (591,309 bytes)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_nsb3c75.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):
12288:0GFa1qY9AztwCNiqEW3zoLlKJrg4d6AIrQAWVDG/LYjaBE:0GF4qxBwCrhkLYrP6AIcV1P

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:
7.8615

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

Code size:
37 KB (37,888 bytes)

The file icreinstall_nsb3c75.tmp has been seen being distributed by the following URL.

http://www.download-servers.com/.../dl.php?r=vu_vo2_akd&rr=R&sct=AGR&sid=8089BF8D-F940-E011-81ED-F23CCEB2C751

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