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nsabf80.tmp

The file nsabf80.tmp has been detected as a potentially unwanted program by 5 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from counter99.com.
MD5:
f921bf1169d9ae1272385e82d42baa46

SHA-1:
7740223f512b0aa68922ed51b63edcd8dda5eefc

SHA-256:
9ef8319afb8b1a6f2324a344c3f0b30defd6ee1e71b34365511482b8d0fe3bc1

Scanner detections:
5 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 6:23:05 AM UTC  (today)

Scan engine
Detection
Engine version

F-Secure
Backdoor.Generic.984492
5.15.21

Kaspersky
not-a-virus:AdWare.Win32.Vopak
15.0.0.562

McAfee
Trojan.Artemis!5C22DAA77A1B
18.0.204.0

Norman
Backdoor.Generic.984492
29.02.2016 03:11:57

Reason Heuristics
Adware.Downloader.KY (M)
16.3.10.16

File size:
561.8 KB (575,288 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\nsabf80.tmp

File PE Metadata
Compilation timestamp:
12/6/2009 2:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:BOSVpXXF+ZPPffEUnCZVQoyYxpzibfslxrIT+OfDUFOVp/9t29CnLA8l:BRVpMlH6znzibkEHb1pL0ILx

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file nsabf80.tmp has been seen being distributed by the following URL.

http://counter99.com/.../ispc.php

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