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nsoee38.tmp

The file nsoee38.tmp has been detected as a potentially unwanted program by 5 anti-malware scanners. The program is a setup application that uses the Inno Setup 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 and multiple other hosts.
MD5:
637ea333a19f9e02fce45797b22297de

SHA-1:
6ca7c9c81d8e577ccf3049d9a0392db4523d546b

SHA-256:
bbda901bfcbed060aec94473b07a382fad07f7b8673350f11506aa24281d84d6

Scanner detections:
5 / 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.

Analysis date:
11/5/2024 12:35:33 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Adware InstallCore.ALX
2015.0.4568

Dr.Web
Trojan.Packed.25266
9.0.1.05190

ESET NOD32
Win32/InstallCore.PK potentially unwanted application
8.0.319.0

Reason Heuristics
PUP.InstallCore.EST (M)
16.5.25.10

VIPRE Antivirus
Threat.4150696
49072

File size:
576.4 KB (590,224 bytes)

Installer:
Inno Setup

Common path:
C:\users\{user}\appdata\local\temp\nsoee38.tmp

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:jtvpavO/lMO2BIZfamAlwVEpvsd/mQGKnWu6Iz9k8RQAYI:jtvUvWM8amAleEpUd/m3BGOf

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:
7.8428

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

Code size:
37 KB (37,888 bytes)

The file nsoee38.tmp has been seen being distributed by the following 2 URLs.

http://www.download-servers.com/.../dl.php?r=vu_vo2_SOTO&rr=C&sct=AGR&sid=4C4C4544-0036-4710-8046-C6C04F4D5431

http://www.download-servers.com/.../dl.php?r=vu_vo2_SOTO&rr=C&sct=AGR&sid=03000200-0400-0500-0006-000700080009

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