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nsz6529.tmp

The file nsz6529.tmp has been detected as a potentially unwanted program 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. The file has been seen being downloaded from www.download-servers.com.
MD5:
d8f8f866d9509b2277bc6ab53357dc46

SHA-1:
4efaec998badb7a333efbb05a4c2e72705331d22

SHA-256:
094fc2f05875045cd567417718ea1f10d329d4c9b928923e9067530109470288

Scanner detections:
18 / 68

Status:
Potentially unwanted

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 9:36:35 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
PUA/InstallCore.Gen7
8.3.2.4

AVG
InstallCore
2017.0.2874

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.1615

Dr.Web
Trojan.MulDrop5.10078
9.0.1.05

ESET NOD32
Win32/InstallCore.PZ potentially unwanted (variant)
10.12804

Fortinet FortiGate
Riskware/InstallCore
1/5/2016

F-Prot
W32/A-fa569e41
v6.4.7.1.166

G Data
Win32.Application.AnyProtect
16.1.25

IKARUS anti.virus
AdWare.MultiBundle
t3scan.1.9.5.0

Malwarebytes
PUP.Optional.InstallCore
v2016.01.05.05

McAfee
Artemis!D8F8F866D950
5600.6530

Microsoft Security Essentials
Trojan:Win32/Dorv.B!rfn
1.1.12400.0

NANO AntiVirus
Riskware.Win32.InstallCore.djeekk
1.0.14.5380

Reason Heuristics
PUP.InstallCore.Bundler (M)
16.1.5.4

Sophos
Generic PUA EO (PUA)
4.98

SUPERAntiSpyware
PUP.InstallCore/Variant
9405

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.4

VIPRE Antivirus
Trojan.Win32.Generic
46204

File size:
571.9 KB (585,575 bytes)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\nsz6529.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:SAvp7f0yUASkjxb7BfquXiR6hbJ6xHqSNpt27WyknksvrJiBnhJHp51w5iOPct1m:SAv58y5lj7XZhbAqSxwWdJDJifJiwIc2

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

Code size:
37 KB (37,888 bytes)

The file nsz6529.tmp has been seen being distributed by the following URL.

http://www.download-servers.com/.../dl.php?r=vu_vo2_SOTO&rr=S&sct=AGR&sid=0000D774-0E46-0703-FFFF-7824AF781518

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