instspeedfan451.exe

The executable instspeedfan451.exe has been detected as malware by 6 anti-virus scanners. The program is a setup application that uses the 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 www.almico.com.
MD5:
6baf5134f7809cf0989e0910e30bae0c

SHA-1:
e2364e5aff63c02203c89a87cb286ff41822c6c7

SHA-256:
468110dee1834cc5aaafb824eb6a4b456d2dba93c3d8347035781ccc8677e0c7

Scanner detections:
6 / 68

Status:
Malware

Analysis date:
4/16/2025 8:55:56 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:SaliCode
160518-2

Dr.Web
Win32.Sector.22
9.0.1.05190

ESET NOD32
Win32/Sality.NBA virus
8.0.319.0

F-Prot
W32/Sality.gen2
4.6.5.141

F-Secure
Win32.Sality.3
5.15.21

Microsoft Security Essentials
Threat.Undefined
1.223.1545.0

File size:
2.2 MB (2,292,232 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Scriptable Install System

Common path:
C:\users\{user}\downloads\instspeedfan451.exe

File PE Metadata
Compilation timestamp:
12/6/2009 12:50:41 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:DDmM8r9154DReIfEeOXH3dttR5bwlow41DFLLPF63gO8F2AJ:nsj54D0E7OHdS4hFLLPF63gxrJ

Entry address:
0x30CB

Entry point:
48, 69, DF, 18, 3A, 32, B9, FF, C7, 8D, 05, FB, A0, 01, 61, 2C, 79, 81, FE, 05, A5, 00, 00, 72, 02, 88, E4, 85, D0, 78, 07, B6, 1F, 85, F2, F6, C6, 23, 69, D1, 9E, 10, 88, 8B, 85, F6, 8B, F0, 38, DE, 8D, 05, 1C, 12, F4, FF, 32, F0, 05, 89, D2, 05, 00, F6, C6, A1, 2B, C9, 01, C2, 4B, 33, C8, EB, 05, 86, D2, 3B, EB, F2, 0F, AF, D3, 2B, F9, FE, C2, 81, EF, 47, D1, 06, 00, 85, C9, 68, 7D, BB, 73, 00, 30, E5, 29, CB, 35, D4, 0B, 07, 02, EB, 0D, BB, C6, 7A, 61, 73, BB, 11, 95, EC, 23, 0F, BE, C6, 69, F0, CD, 2D...
 
[+]

Entropy:
7.9974  (probably packed)

Code size:
22.5 KB (23,040 bytes)

The file instspeedfan451.exe has been seen being distributed by the following URL.

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