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nsv31e0.tmp

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from downloadnow4.com.
Version:
1.11014.11521.14237

MD5:
fa0ccd0a4ef9885f1efd7c0048ebfbb2

SHA-1:
c62a84152d431aca31dd62a141bb19b2f51b27a6

SHA-256:
76b814bd8f4db6fb6c11a69f30d321a94a9cd6aac3ec31bf8e1b4732027d4119

Scanner detections:
2 / 68

Status:
Inconclusive  (not enough data for an accurate detection)

Analysis date:
12/26/2024 12:24:43 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Trojan.DownLoader17.31890
9.0.1.05190

SUPERAntiSpyware
Trojan.Agent/Gen-Siggen
9463

File size:
289.9 KB (296,830 bytes)

Product version:
1.11014.11521.14237

Copyright:
(C) 101415214237

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\nsv31e0.tmp

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:Ee34fgKkTNgc75+ZPPfnE2Qyn2LdazTH6N0tkl3KKJDvQQ9+AAD6aOtHG:SIBF+ZPPfnEUnKdafO0Md2eaOc

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...
 
[+]

Entropy:
7.8397

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file nsv31e0.tmp has been seen being distributed by the following URL.

http://downloadnow4.com/sono/.../flashbeat_101415214237.exe

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