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regclean22.exe

The executable regclean22.exe has been detected as malware by 3 anti-virus 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 dl1.downserver2.com and multiple other hosts.
MD5:
da452b04f57435e5ab8bfedad3006501

SHA-1:
53b1b6d2560546ecf31bad4d916733e40443c450

SHA-256:
ea6978f58e2dbf8b47dc31119a88072d8b3e75011b874abe939f5ce2c2191238

Scanner detections:
3 / 68

Status:
Malware

Analysis date:
11/23/2024 9:44:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
(M)
16.6.17.18

Sophos
Registry Cleaner
4.98

Trend Micro House Call
TROJ_GE.48818833
7.2.129

File size:
5.3 MB (5,579,245 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\regclean22.exe

File PE Metadata
Compilation timestamp:
7/14/2013 9:09:51 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:ZKTcwY48sJXlUJV74Hee3dYr9/21xQIyDVoaoPR42OFMzVCqCjDt0I2Uupfr5igy:Z6fU4lVHe0d9yDVLcKFMzoqCjDtcUeZy

Entry address:
0x310B

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 90, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 08, A3, 58, EC, 42, 00, E8, 73, 2D, 00, 00, A3, A4, EB, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, E0, 8F, 42, 00, FF, 15, 64, 71, 40, 00, 68, 80, 91, 40, 00, 68, A0, E3, 42, 00, E8, 1D, 2A, 00, 00, FF, 15, 1C, 71, 40, 00, BD, 00, 40, 43, 00, 50, 55, E8, 0B, 2A...
 
[+]

Entropy:
7.9996

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file regclean22.exe has been seen being distributed by the following 2 URLs.

http://dl1.downserver2.com/Installer/.../Regc22.exe

http://cdn.download4desktop.com/Installer/.../RegClean22.exe

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