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installer_adobe_flash_player_english.exe

The executable installer_adobe_flash_player_english.exe has been detected as malware by 7 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 dv.a-chn4.com and multiple other hosts.
MD5:
5a725e62d0f2c76e464b8be0fe971998

SHA-1:
c497a8d84e716202f49583c6c17714d1bf689ac4

SHA-256:
cdae909a1295222f0b9b834ee1520ad7f8023f8c82f18f881dc9549c5ceb0ed6

Scanner detections:
7 / 68

Status:
Malware

Analysis date:
12/27/2024 12:39:52 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/Drop.Addrop.689016
7.11.210.52

avast!
Win32:Dropper-gen [Drp]
2014.9-151125

Baidu Antivirus
Trojan.Win32.Addrop
4.0.3.151125

ESET NOD32
Win32/TrojanDropper.Addrop
9.11175

Qihoo 360 Security
HEUR/QVM42.0.Malware.Gen
1.0.0.1015

SUPERAntiSpyware
Trojan.Agent/Gen-Downloader
9485

Trend Micro House Call
Suspicious_GEN.F47V0207
7.2.329

File size:
672.9 KB (689,016 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:JHPQcrj8Gtrmhj9zrB7u+TTYl1nV5BEcqaK7Bag7D/Uon8wUCVSueryLVu2MVEr7:JHPFrJMj0lpBmFaO/Uo8wU2SueryLElW

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9845

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://dv.a-chn4.com/installers/axtan_installers/get.php?ua=chrome&ut=f2ffcfa3bc8f0a9f0b9314b5c521d246&loop=1&x=L2hvbWUvZG93bl9jcm9ucy9wdWJsaWNfaHRtbC9pbnN0YWxsZXJzL291dC9vbi8yL2ZyZWVzb2Z0c3RvcmVjb20vZW5nbGlzaC9yZXZlbnVlL2Nocm9tZS9hZG9iZV9mbGFzaF9wbGF5ZXIvZC8yNzU4NzZlMzRjZjYwOWRiMTE4ZjNkODRiNzk5YTc5MC9vdXQvbmEvbmEvaW5zdGFsbGVyX2Fkb2JlX2ZsYXNoX3BsYXllcl9FbmdsaXNoLmV4ZQ==&p=RlJFRVNPRlRTVE9SRUNPTQ==&u=L2Rvd25sb2FkMi5mcmVlc29mdHN0b3JlMi5jb20vaW5zdGFsbGVycy9vdXQvMDAyMDUwMDIwNjAwMjA3L3BpaWQtNTRkNDdkZmEyODIzNTkuMzc3MDcxMDQvb24vMi9mcmVlc29mdHN0b3JlY29tL2VuZ2xpc2gvcmV2ZW51ZS9jaHJvbWUvYWRvYmVfZmxhc2hfcGxheWVyL2QvMjc1ODc2ZTM0Y2Y2MDlkYjExOGYzZDg0Yjc5OWE3OTAvb3V0L25hL25hL2luc3RhbGxlcl9hZG9iZV9mbGFzaF9wbGF5ZXJfRW5nbGlzaC5leGU=&r=5842770&aa=on/2/freesoftstorecom//&HH=54&AA=3&HM=32&BH=11&JF=31&DA=49&KE=66&KA=75&MM=23&EF=57&s=28038510184381662554905218785038841603612150326582082514482996870041413629752410618869318508195209341713689820881778709660480000045116585467556634515572620721726338086533388052513

http://dv.a-chn4.com/installers/axtan_installers/get.php?ua=chrome&ut=1fffc64504af09a974893e060a5b45b9&loop=1&x=L2hvbWUvZG93bl9jcm9ucy9wdWJsaWNfaHRtbC9pbnN0YWxsZXJzL291dC9vbi8yL2ZyZWVzb2Z0c3RvcmVjb20vZW5nbGlzaC9yZXZlbnVlL2Nocm9tZS9hZG9iZV9mbGFzaF9wbGF5ZXIvZC8yNzU4NzZlMzRjZjYwOWRiMTE4ZjNkODRiNzk5YTc5MC9vdXQvbmEvbmEvaW5zdGFsbGVyX2Fkb2JlX2ZsYXNoX3BsYXllcl9FbmdsaXNoLmV4ZQ==&u=L2Rvd25sb2FkMi5mcmVlc29mdHN0b3JlMi5jb20vaW5zdGFsbGVycy9vdXQvMDAyMDUwMDIwNjAwMjA3L3BpaWQtNTRkNDgyNGE5YTIwYzEuMTUyMTU5MTgvb24vMi9mcmVlc29mdHN0b3JlY29tL2VuZ2xpc2gvcmV2ZW51ZS9jaHJvbWUvYWRvYmVfZmxhc2hfcGxheWVyL2QvMjc1ODc2ZTM0Y2Y2MDlkYjExOGYzZDg0Yjc5OWE3OTAvb3V0L25hL25hL2luc3RhbGxlcl9hZG9iZV9mbGFzaF9wbGF5ZXJfRW5nbGlzaC5leGU=&p=RlJFRVNPRlRTVE9SRUNPTQ==&r=1049630&aa=on/2/freesoftstorecom//&KH=79&JC=27&CD=15&NI=35&MA=99&AB=74&NC=27&IE=41&ML=49&FB=25&s=2289401460471487775183407379722050990136284322090609940787660965965088706149458419414482159246843341212926861713654093319343928262484676363435790200642576968794033400136570050180

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