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nsl9e0d.tmp

The file nsl9e0d.tmp has been detected as a potentially unwanted program by 4 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 counter99.com.
MD5:
1222f027db04c23294331de9ce09eb07

SHA-1:
9f4e173ab4dfc43dff7626325a45fcf5a586ee51

SHA-256:
a9d903d77285629e6c9d1603ea6f1f068dd1d85e7880ee470c0d0a9ba9ef470e

Scanner detections:
4 / 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:
11/23/2024 7:33:01 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Dropper-gen [Drp]
150717-0

Dr.Web
Trojan.Packed.25266
9.0.1.05190

ESET NOD32
Win32/InstallCore.AFF.gen potentially unwanted application
7.0.302.0

Reason Heuristics
PUP.InstallCore.EST (M)
16.5.14.10

File size:
577.8 KB (591,676 bytes)

Installer:
Inno Setup

Common path:
C:\users\{user}\appdata\local\temp\nsl9e0d.tmp

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:64Fal0x1csh5eA30f7RkttGdHXDR3bHzKiJrs1eAo+Xk68f:64Fk0lLENkteHTR3bHFI1eVoxY

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

Code size:
37 KB (37,888 bytes)

The file nsl9e0d.tmp has been seen being distributed by the following URL.

http://counter99.com/.../dl.php?r=vu_vo2_CO09&rr=R&sct=AGR&sid=E898B929-C50B-E411-B2A0-645106B2F182&isnw=2&prd=1&civ=0&pac=&guidv=2

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