4e919d9fd231aa7ed11a12024298867b881f5313ab93303d4b6ed0c80df73e21

General

Target

4e919d9fd231aa7ed11a12024298867b881f5313ab93303d4b6ed0c80df73e21.pdf
Size

354KB
MD5

c1eeb77920357a53e271091f85618bd9
SHA1

7bf3048f57f20bddc6f6d5a14599660b183d0ae2
SHA256

4e919d9fd231aa7ed11a12024298867b881f5313ab93303d4b6ed0c80df73e21
SHA512

c016e7f2bee798c15573391be806350e3ce4552d0fdfbbe9458ff4fb083d5078b5d1870aac0b47911716ae3dbc3191c39a9cefcbcf9c28f162ea758f788c8d67
SSDEEP

3072:u2jex3TK0GZ845NL7pOjKaajWuP7xd4p9G4hoMSRETHtq4QF89OfkM8kDWD83M6/:E94eEFCXGyaRqHY4QK9W87ZJArN0O

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

AcroRd32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4280 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

4280 AcroRd32.exe
4280 AcroRd32.exe
4280 AcroRd32.exe
4280 AcroRd32.exe
4280 AcroRd32.exe
4280 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 4280 wrote to memory of 1836	4280	AcroRd32.exe	RdrCEF.exe
PID 4280 wrote to memory of 1836	4280	AcroRd32.exe	RdrCEF.exe
PID 4280 wrote to memory of 1836	4280	AcroRd32.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3772	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe
PID 1836 wrote to memory of 3628	1836	RdrCEF.exe	RdrCEF.exe

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\4e919d9fd231aa7ed11a12024298867b881f5313ab93303d4b6ed0c80df73e21.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4280

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
2⤵
- Suspicious use of WriteProcessMemory
PID:1836

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=B33527D410238F7961D8BDBD60256822 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3772

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=B0FB4DCE53977E43381101B441E101E3 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=B0FB4DCE53977E43381101B441E101E3 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3628

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=7DC16DD4CD6D243A41CD4321C2459E13 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3416

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=2C2AF529BF69047FEA01EA519D956FDD --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3876

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=C66E1080E5B94B233E713D2C823573C9 --mojo-platform-channel-handle=2500 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2204

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=1CC54764914FC284C0200B63EFC1D9BC --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=1CC54764914FC284C0200B63EFC1D9BC --renderer-client-id=7 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job /prefetch:1
3⤵
PID:4248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
f71d33aeeae68a6c5becd40a476f71c7

SHA1
9242a8d4f894d029216e05d07b663cc97db8797b

SHA256
c5eb061c81bf60aaf86f56e3829073dea4f5080fe4fe1fad943d8a8148d2bd3f

SHA512
cfb04213e943e06da27b2886ba90cded4e0d20b22fd367f73e60f23cb9014a41beb58815dcab507336f760e81dba886a7c109d9256f365fddde1185994def366

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads